Casio G-Shock DW-6900RRB-4DR all-red three-eye bio-based 5-year battery shock resistant 200m
Casio DW-6900RRB-4DR iconic three-eye display 53.2mm oversized heritage
Casio G-Shock DW-6900RRB-4DR Super Illuminator LED flash alert
Casio DW-6900RRB-4DR stopwatch countdown timer multi-function alarm
Casio G-Shock DW-6900RRB-4DR bold red legendary design eco-conscious

CASIO G-SHOCK DW-6900RRB-4DR ICONIC RED 6900 DIGITAL WATCH

DW-6900RRB-4DR

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  • 1 Year Warranty

The DW-6900RRB-4DR is the 6900 "three-eye" in G-Shock's Iconic Red — the culturally iconic digital silhouette dressed head-to-toe in vivid red with a red vapor deposition dial, inverted LCD, and black accents. The 6900's front-facing button at 12 o'clock and twin circular display windows have been a streetwear and hip-hop reference point since 1995, and the all-red treatment gives the iconic shape a bold, monolithic presence. Bio-based resin for the bezel and band. At 67 grams, the DW-6900RRB is the lightest 6900 in the Iconic Red family — no metal bezel, pure resin.

Module 3529 is the same platform as the GM-6900YRA (Fine Metallic) and the DW-6900CF (Bold Camo): pure digital with LED Super Illuminator, flash alert (LED pulses with the buzzer), 1/100-second stopwatch with split time, 24-hour countdown timer with auto-repeat, multi-function alarm with hourly time signal, full auto-calendar to 2099, and ±15 seconds per month accuracy. No world time, no analog hands — the 6900's deliberate simplicity. At 53.2 × 50 × 18.7 mm and 67 grams. Shock resistant, 200-metre water resistant. CR2016, approximately five-year battery life.

At a Glance

Case & BezelResin / Bio-Based Resin — Vivid Red
BandBio-Based Resin — Vivid Red
DialRed Vapor Deposition — Seamless with Bezel
LCDInverted (Negative)
AccentsBlack Details Throughout
Front Button12 o'clock (Signature 6900 "Three-Eye" Layout)
DisplayDigital LCD
Flash AlertYes
BacklightLED Super Illuminator (White)
Battery Life~5 years (CR2016)
Module3529
Weight67 g

Why You'll Love It

  • The 6900 is the most culturally loaded digital G-Shock silhouette — the front-facing button and twin circular windows have been worn by hip-hop artists, streetwear icons, and skaters for three decades. The Iconic Red treatment takes this instantly recognisable shape and covers it entirely in vivid red — a colour statement as loud as the cultural history. The red vapor deposition dial blends seamlessly into the red bezel, and the inverted LCD and black accents provide contrast and structure.
  • At 67 grams, the DW-6900RRB is lighter than the metal-bezel GM-6900YRA (107 g) by 40 grams. The all-resin construction keeps the watch lightweight and comfortable for all-day wear while the bio-based resin adds a sustainability dimension. The DW is the 6900 for anyone who wants the shape without the metal weight.
  • Five-year battery on a CR2016 — the longest battery life of any Iconic Red model. The analog-digital GA-2100RRB and GA-110RRB last approximately two to three years. The DW-6900RRB's pure digital module draws less power, translating directly into longer battery life. Set it and forget it for half a decade.
  • Flash alert pulses the LED backlight in sync with alarms, hourly time signals, and countdown timer alerts. On the all-red case, the white LED flash creates a vivid visual contrast — white light bursting through red resin. Useful for noisy environments where you can't hear the buzzer.
  • The red vapor deposition dial creates the same seamless bezel-to-dial transition as the other Iconic Red models. The metallic red coating on the dial contrasts texturally with the matte bio-based resin exterior — subtle material play within a monochromatic colourway.
  • 200-metre water resistance, shock resistance, auto-repeat countdown timer, 1/100-second stopwatch with split time. The 6900's Module 3529 keeps things intentionally simple — and reliable.

Perfect For

Streetwear Hip-Hop & Urban Style Statement Accessory Everyday Wear Festival Season Swimming & Water Sports Gift

Key Features

  • All-red with vapor deposition dial — Red vapor deposition on the dial blends seamlessly into the vivid red bezel and band. Inverted LCD and black accents provide contrast.
  • Iconic 6900 "three-eye" silhouette — The most culturally significant digital G-Shock shape. Front-facing button at 12 o'clock.
  • 5-year battery (CR2016) — The longest battery life of any Iconic Red model. Pure digital Module 3529 draws less power.
  • Flash alert — LED backlight flashes with alarms, hourly signals, and countdown timer. White flash against red resin.
  • Bio-based resin — 67 g — Lightweight all-resin construction with bio-based material. 40 g lighter than the metal-bezel GM-6900YRA.
  • 200-metre water resistance (20 BAR) — Suitable for swimming, snorkelling, and recreational water sports.

Technical Specifications

The DW-6900RRB-4DR is a G-Shock Iconic Red 6900 Series digital watch running Module 3529. It features a vivid red bio-based resin case and band with red vapor deposition dial, inverted LCD, flash alert, LED Super Illuminator, and 200-metre water resistance. Case dimensions are 53.2 × 50 × 18.7 mm at 67 g with approximately 5-year battery life on a CR2016 cell.
Case & Build
Model Number DW-6900RRB-4DR
Module 3529
Case Material Resin / Bio-Based Resin
Colour Vivid Red
Dial Red Vapor Deposition (Seamless with Bezel)
Glass Mineral Glass
Case Size (L × W × H) 53.2 × 50 × 18.7 mm
Weight 67 g
Construction Shock Resistant
Water Resistance 200 Metres (20 BAR)
Band
Material Bio-Based Resin
Colour Vivid Red
Wrist Size 145 – 205 mm
Clasp Tang Buckle
Movement & Power
Movement Type Digital Quartz
Display Digital LCD (Hour, Minute, Second, AM/PM, Month, Date, Day)
Accuracy ±15 seconds per month
Battery CR2016
Battery Life Approx. 5 years
Display & Light
LCD Type Inverted / Negative (Light Digits on Dark Background)
Backlight LED Super Illuminator, Afterglow
LED Colour White
Flash Alert Yes — LED flashes with alarms, hourly signal, countdown timer
Functions
Stopwatch 1/100-second (first 60 min) / 1-second (after 60 min), 24-hour capacity; elapsed, split, 1st–2nd place
Countdown Timer 1-second unit, 1 sec – 24 hours, auto-repeat
Alarm Multi-function alarm + hourly time signal
Calendar Full auto-calendar to 2099
Time Format 12/24-hour

Best Matched With

All-Black Outfit White Tee & Denim Red Sneakers Oversized Graphic Tee Sportswear Festival Outfit Monochrome Streetwear

Frequently Asked Questions

Which Iconic Red silhouette should I pick?
Four Iconic Red models share the same all-red treatment with vapor deposition dials, inverted LCDs, and bio-based resin. The DW-6900RRB (this model) is the iconic "three-eye" digital — the most culturally loaded shape, 5-year battery, flash alert, 67 g. The GA-2100RRB is the slim octagonal analog-digital — 11.8 mm thin, hand shift, world time, 51 g. The GA-110RRB is the oversized analog-digital — 1/1000-second stopwatch, speed indicator, magnetic resistance, auto light, 72 g. The DW-5600RRB is the rectangular Origin digital — the most compact, direct legacy of the first G-Shock. Both digital models (6900 and 5600) have 5-year batteries and flash alert. Both analog-digital models (2100 and 110) have shorter battery life but more features.
What is the difference between the DW-6900RRB and the GM-6900YRA?
Same 6900 silhouette, same Module 3529, same functions. The DW-6900RRB (Iconic Red) is all bio-based resin at 67 g with red vapor deposition dial and inverted LCD. The GM-6900YRA (Fine Metallic) has a silver stainless steel bezel at 107 g with a vivid red LCD and tough silicone band with silver vapor deposition underside. The DW is 40 g lighter and makes a colour statement. The GM adds metal-bezel scratch resistance and polished refinement.
Does this watch have world time?
No — Module 3529 does not include world time. If you want world time in the Iconic Red series, the GA-2100RRB (31 zones, 48 cities) and GA-110RRB (29 zones, 48 cities) both have it. The DW-6900RRB keeps things intentionally simple — stopwatch, countdown timer, alarm, flash alert.
Is the inverted LCD easy to read?
Inverted LCDs are slightly harder to read in dim ambient light compared to standard positive LCDs. In direct sunlight and in the dark (with the LED Super Illuminator activated), readability is clear. The dark display provides essential contrast against the all-red exterior.
Is this watch suitable for swimming?
Yes. With 200-metre (20 BAR) water resistance, the DW-6900RRB-4DR handles swimming, snorkelling, and recreational water sports. Not rated for scuba diving with air tanks.
What warranty does this watch come with?
The DW-6900RRB-4DR comes with Casio's official warranty when purchased from City Chain Singapore, an authorised Casio retailer.

Why Buy from City Chain Singapore

Authorised Retailer Official Casio warranty
100% Authentic Genuine Casio product
Free Shipping Within Singapore

Extra $8 OFF with min. $88 spend
Use Code: NDP8

Extra $30 OFF with min. $610 spend
Use Code: NDP30

Extra $61 OFF with min. $1000 spend
Use Code: NDP61

Case size (L× W× H): 53.2 × 50 × 18.7 mm
Weight: 67 g
Case and bezel material: Resin / Bio-based resin
Bio-based resin band
Shock Resistant
Mineral Glass
Water resistance: 200m
Approx. battery life: 5 years on CR2016

1/100-second stopwatch
Measuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times
Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments)

Other: Auto-repeat
Alarm/hourly time signal
Hourly time signal
Multi-function alarm
Flash alert feature
Flashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm
LED backlight (Super Illuminator)
Afterglow
Light color: White
Full auto-calendar (to year 2099)
Accuracy: ±15 seconds per month

Other features
12/24-hour format
Regular timekeeping:
Hour, minute, second, pm, month, date, day

For online purchase, you can have bracelet or leather strap adjustments done at any City Chain store. Please bring along your warranty book for the service.

Delivery within Singapore | Order by 11AM
(Checkout options may vary depending on minimum order requirements)

• Free Standard Delivery (3 business days)
• Free Next Day Delivery
• Express Delivery at $30 (order by 2PM)
• Click & Collect (ready in 2–3 business days)

Weekend & Public Holiday Orders
Orders placed during this time will be processed on the next business day.


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