SEIKO PROSPEX HBJ003P1 SOLAR SPEEDTIMER CHRONOGRAPH MEN WATCH

Seiko HBJ003P1 — Prospex Speedtimer Solar Chronograph

The Seiko HBJ003P1 is a solar-powered chronograph from Seiko's Prospex Speedtimer range — powered by the same V192 solar calibre found across the Speedtimer Solar family, but with a racing green dial that brings the most motorsport-authentic colour in the lineup. Racing green has a heritage that stretches back to the earliest days of international motor racing — British Racing Green was one of the original national racing colours — and the HBJ003P1 channels that legacy into a modern solar chronograph with 60-minute 1/5-second split-time measurement, a tachymetre scale, a 24-hour hand, a power reserve indicator, and ±15 seconds per month accuracy in a 41.4 mm stainless steel case with a curved sapphire crystal and 100 m water resistance.

Key Features

• Seiko V192 solar calibre — charges via any light source, no battery replacement needed
• Approx. 6-month power reserve when fully charged — extended reliability between light exposures
• Accuracy: ±15 seconds per month — precise solar quartz timekeeping
• 60-minute chronograph accurate to 1/5 second with split-time capability — professional elapsed time measurement
• Tachymetre scale — calculate speed over a measured distance instantly
• 24-hour hand — secondary timezone reference built into the dial
• Power reserve indicator — monitor the solar charge level at a glance
• Racing green dial — deep, rich motorsport-heritage colour with strong visual presence
• LumiBrite on hands and hour markers — full low-light legibility
• 41.4 mm stainless steel case — confident chronograph proportions
• Curved sapphire crystal — premium scratch resistance with a contoured profile
• Stainless steel bracelet in silver — cool-toned metal for a classic sport-luxe pairing
• Date display — everyday practicality
• 100 metres water resistance — swim-ready for active lifestyles

Why You'll Love It

The HBJ003P1 is the Speedtimer Solar for the buyer who wants the most motorsport-connected colour without the high contrast of the yellow SSC947P1 or the black-and-gold SSC941P1. Racing green is a colour that carries genuine racing heritage — it reads as sporty and purposeful without being loud, and it pairs with brown leather goods, tan accessories, and earth-toned wardrobes as naturally as it sits with silver steel. The deep green creates a rich contrast against the silver case that is more visually interesting than grey or silver dials but less demanding than yellow or gold. Same V192 platform, same full chronograph specification — the Speedtimer Solar in its most heritage-sport expression.

HBJ003P1 vs the Speedtimer Solar Family

All seven models share identical V192 specifications — same solar chronograph, same 41.4 mm case, same 60-minute 1/5-second split time, same tachymetre, same 24-hour hand, same power reserve indicator, same curved sapphire, same LumiBrite, and same 100 m water resistance. The HBJ003P1 has a racing green dial — the most motorsport-heritage colourway. The HBJ001P1 has silver (monochromatic). The HBJ002P1 has champagne gold (warm). The SSC939P1 has grey (restrained). The SSC941P1 has black with gold (dramatic). The SSC943P1 has off-white on leather (vintage). The SSC947P1 has yellow (bold). Seven colourways, zero specification differences.

The Seiko Story

Since 1881, when Kintaro Hattori founded a clock and watch shop in Ginza, Tokyo, Seiko has been at the forefront of timekeeping innovation — from the world's first quartz wristwatch in 1969 to today's GPS Solar and Spring Drive technologies. Seiko's Prospex (Professional Specifications) line carries a legacy of precision instruments built for extreme environments. The Speedtimer name has been part of Seiko's motorsport heritage since 1969, and the HBJ003P1 carries it forward in racing green — the most historically authentic motorsport colour in the current solar Speedtimer lineup.

Backed by Seiko's official warranty. Authentic Seiko Prospex, sold by authorised retailer City Chain Singapore.

Explore more Seiko Prospex, browse the full Seiko collection, or see all Men's watches at City Chain Singapore.

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Calibre Type: Solar - Powered By Any Light Source
Calibre Function: Chronograph
Accuracy: +/-15 seconds a month at normal temperature range (5°C and 60°C)
Power Reserve/Battery Life: Operating for approx. 6 months (when fully charged)
Calibre Number: V192
Display: Analogue
Water Resistance: 100 Metres
Case Material: Stainless steel
Case Size (Diameter): 41.4mm
Case Color: Silver
Band/Bracelet: Bracelet - Stainless Steel
Band Color: Silver
Glass Material: Curved sapphire crystal
Crown: Pull Out
Rotating Bezel: N/A
Dial Color: Racing Green
Hand Indicators: Hour, Minute, Seconds, 24-Hour
Calendar Indicators: Date
Lumibrite: Hands & Hour Markers
Power Reserve Indicator: Yes
Stopwatch: Stopwatch Measures 60 Minutes In 1/5th Of A Second Increments With Split Time Capability
Tachymetre: Yes

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.

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.