CITIZEN AT8220-55W PROMASTER LIMITED EDITION ECO-DRIVE MEN WATCH
AT8220-55W
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- 3 Years Warranty
The Citizen AT8220-55W is a Promaster Limited Edition built around a dial unlike anything else in Citizen's catalogue — a structural-colour, aurora-inspired finish that shifts between deep blue and vibrant green depending on the angle of light, evoking the northern lights. Only 2,800 pieces exist worldwide.
It's built as a genuine pilot's instrument: a rotating navigational bezel for flight calculations, luminous hands for low-light legibility, a 1/20-second chronograph up to 60 minutes, and world time across 26 cities. All of it stays accurate through global radio-controlled timekeeping, powered entirely by Citizen's Caliber H804 Eco-Drive movement — no battery, ever.
The 48mm stainless steel case runs 13.4mm thick with sapphire crystal and a matching stainless steel bracelet on a push-button fold-over clasp. Water resistant to 200 metres, with a perpetual calendar and power reserve indicator rounding out the instrument-grade spec sheet.
At a Glance
- BrandCitizen
- CollectionPromaster Limited Edition
- MovementCaliber H804 Eco-Drive
- Case Size48mm
- Thickness13.4mm
- DialAurora Blue-Green, Colour-Shifting
- BezelRotating Navigational
- ComplicationsChronograph, Perpetual Calendar, World Time
- TimekeepingGlobal Radio-Controlled
- GlassSapphire Crystal
- Water Resistance200m
- Edition Size2,800 Pieces Worldwide
Why You'll Love It
- The aurora-inspired dial is the whole reason this watch exists — a colour-shifting structural finish that reads differently in every light, unlike any conventional sunray or gradient dial in Citizen's range.
- Limited to 2,800 pieces worldwide, this isn't a catalogue staple — it's a genuine limited-edition release with real scarcity behind it.
- A rotating navigational bezel gives this real pilot-watch functionality, not just aviation styling — it's built to be used, not just worn.
- Global radio-controlled reception means the watch syncs its own time from atomic clock signals for automatic accuracy correction, holding roughly ±15 seconds a month even without a signal.
- World time across 26 major cities, a 1/20-second chronograph and a perpetual calendar stack real functionality onto one dial without sacrificing legibility, thanks to the luminous hands and markers.
- 200-metre water resistance and a substantial 48mm stainless steel case give this genuine everyday durability well beyond typical dress-watch specs.
- Eco-Drive means no battery, ever. A full charge holds for roughly 6 months with no light exposure at all, and a power reserve indicator lets you check your charge level at a glance.
- Sapphire crystal offers meaningfully better scratch resistance than mineral glass, protecting a dial finish that's genuinely difficult to replace.
Perfect For
- Limited Edition Collectors
- Pilot & Aviation Watch Fans
- Eco-Drive & Solar Watch Fans
- Frequent Travellers
- Chronograph Enthusiasts
- Statement Watch Wearers
- Milestone Gift
Key Features
- Structural-colour aurora dial — a colour-shifting blue-green finish, unique in Citizen's catalogue, limited to 2,800 pieces worldwide.
- Rotating navigational bezel — genuine pilot-watch flight-calculation functionality.
- Luminous hands — for legibility in low light.
- Citizen Eco-Drive Caliber H804 — light-powered movement, no battery required, holding a charge for approximately 6 months in full darkness once fully charged.
- Global Radio-Controlled timekeeping — automatic accuracy correction via atomic clock signals; accurate to roughly ±15 seconds a month even without signal reception.
- 1/20-second chronograph — timing up to 60 minutes.
- World time across 26 cities — track international time zones directly from the dial.
- Perpetual calendar — automatically accounts for varying month lengths and leap years.
- Power reserve indicator and Power Saving Function — monitor and preserve charge.
- Sapphire crystal — over the dial, for scratch resistance.
- 48mm stainless steel case — 13.4mm thick, built for serious daily use.
- Stainless steel bracelet — push-button fold-over clasp.
- 200-metre water resistance — genuine everyday and outdoor durability.
Technical Specifications
The Citizen AT8220-55W is a 48mm men's Promaster Limited Edition powered by Caliber H804 Eco-Drive, combining global radio-controlled timekeeping with a 1/20-second chronograph, perpetual calendar and world time across 26 cities. The stainless steel case measures 13.4mm thick with sapphire crystal and a rotating navigational bezel, and is water resistant to 200 metres. The structural-colour aurora blue-green dial carries luminous hands and a date display. Limited to 2,800 pieces worldwide, it's finished on a matching stainless steel bracelet with a push-button fold-over clasp.
| Model Number | AT8220-55W |
| Case Material | Stainless Steel |
| Case Diameter | 48mm |
| Case Thickness | 13.4mm |
| Bezel | Rotating, Navigational |
| Glass | Sapphire Crystal |
| Water Resistance | 200 Metres |
| Edition Size | 2,800 Pieces Worldwide, Unnumbered |
| Colour | Aurora Blue-Green, Structural / Colour-Shifting |
| Hands | Luminous |
| Display | Hours, Minutes, Seconds, Date, Chronograph Sub-Dials, World Time |
| Material | Stainless Steel, Matching Case |
| Clasp | Push-Button Fold-Over |
| Caliber | Citizen H804 |
| Type | Eco-Drive (Light-Powered) |
| Accuracy (No Signal) | Approx. ±15 Seconds/Month |
| Timekeeping | Global Radio-Controlled |
| Chronograph | 1/20 Second, Up to 60 Minutes |
| Calendar | Perpetual Calendar |
| World Time | 26 World Cities |
| Full Charge Reserve | Approx. 6 Months |
| Functions | Power Reserve Indicator, Power Saving Function, Summer Time ON/OFF, Insufficient Charge Warning, Overcharge Prevention |
Best Matched With
- Flight Jacket
- Navy Field Jacket
- Technical Outerwear
- Weekend Casual
- Travel Essentials
- Outdoor Gear
Frequently Asked Questions
What makes this a limited edition?
This reference is produced to a fixed run of 2,800 pieces worldwide, unnumbered. Once that run is sold through, this exact dial finish and configuration won't be reproduced.
What is the "aurora" dial finish?
It's a structural-colour dial — rather than being painted a fixed shade, the surface is finished so that it shifts between deep blue and vibrant green depending on the angle of light, similar to how the northern lights shift and move.
Does the rotating bezel actually do anything?
Yes. It's a functional navigational bezel used for flight-related calculations, in keeping with the watch's aviation-instrument design — not a purely decorative element.
What does "global radio-controlled" mean?
The watch receives time signals from atomic clock transmitters and automatically corrects itself for perfect accuracy. Outside signal coverage, it keeps time as a highly accurate quartz watch, accurate to roughly ±15 seconds a month, until the next signal is received.
What is Eco-Drive?
Eco-Drive is Citizen's light-powered movement technology. A cell beneath the dial converts any light source — sunlight, a lamp, an overhead office light — into energy stored in a rechargeable cell, so the watch never needs a battery.
How does the chronograph work?
The chronograph function can time events to 1/20th of a second, up to 60 minutes, using the dedicated sub-dials on the face.
Can I track multiple time zones?
Yes. World time across 26 major cities is built into the movement, useful for frequent travellers or anyone coordinating across regions.
Can I swim with this watch?
Yes. At 200 metres water resistance, this is rated for swimming and most water sports. It's not designed as a dedicated dive watch, so it isn't rated for scuba diving.
Will 48mm fit my wrist?
48mm is a genuinely large, instrument-style case — best suited to larger wrists or anyone who wants real wrist presence. Try it on in-store if you're unsure it will suit your wrist size.
Is the bracelet adjustable?
Yes. The bracelet can be resized by adding or removing links, and City Chain offers complimentary bracelet sizing at any outlet — bring your warranty book along for the service.
What warranty does this watch come with?
The AT8220-55W comes with a City Chain Singapore warranty when purchased from an authorised outlet. Keep your warranty card and proof of purchase — both are required when submitting the watch for service at any City Chain outlet.
Why Buy from City Chain Singapore
- Authorised Retailer 100% genuine Citizen product
- Warranty Included Covered on every purchase
- Free Shipping All orders within Singapore
- Bracelet Adjustment Size it in-store
Extra $15 OFF with min. $200 spend
Use Code: FORYOU15
Extra $30 OFF with min. $400 spend
Use Code: FORYOU30
Caliber No.: H804
Movement: Eco-Drive (Light-Powered)
Maximum Run Time: Approx. 6 months (fully charged)
Functions:
1/20-Second Chronograph (Up to 60 Minutes)
24-Hour Display
World Time (26 Cities)
Day & Date Display
Global Radio-Controlled Timekeeping
Perpetual Calendar
Power Reserve Indicator
Power Saving Function
Summer Time ON/OFF
Insufficient Charge Warning
Overcharge Prevention
Case & Build:
Case Size: 48mm
Case Thickness: 13.4mm
Case Material: Stainless Steel
Glass: Sapphire Glass
Strap: Stainless Steel Bracelet
Water Resistance: 200 metres
Delivery within Singapore
Order by 11AM
(Mon - Fri for faster processing)
Checkout options may vary depending on order value and eligibility.
• Free Speedpost Domestic Delivery — 1–2 business days
• Free DHL Domestic Delivery — next business day
• Express Delivery — S$30, order by 2PM
• Click & Collect — ready in 2–3 business days. Please wait for the collection confirmation email before visiting the store.
Weekend & Public Holiday Orders
Orders placed after the applicable cut-off time, on weekends, or on public holidays will be processed on the next business day. Delivery will take place on the next available business day based on the selected delivery service.
During peak periods, festive seasons, major launches or sale events, additional processing and delivery time may be required.
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.
