Seiko
Prospex Sea Yellow Dial
Seiko
HBB003
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Details & Specifications
Description:
The Seiko Prospex Sea HBB003 is an Asia-Pacific-exclusive limited edition, restricted to 2,500 individually numbered pieces worldwide and excluded from Japan's own market. Drawing from the angular "Samurai" case shape, the sand-textured yellow dial is inspired by the visual transition from golden sunsets to tranquil nights along Asian coastlines. A neatly integrated date window sits tucked away between the 4 and 5 o'clock positions, keeping the layout clean and symmetrical without cutting off any of the lumed hour markers.
The stainless steel case measures 41.7 x 12.3 x 49.5mm and is rated to 200m of dive-ready water resistance beneath a black rotating bezel. Powering the watch is Seiko's Calibre 4R35, a tried-and-true automatic movement known for its long-term reliability and ease of servicing, beating at 21,600 vibrations per hour with both hand-winding and hacking seconds capabilities, along with a 41-hour power reserve.
Specifications:
| Movement | |
| Type | Automatic, self-winding with manual winding and hacking seconds |
| Calibre | 4R35 |
| Power Reserve (h) | Approx. 41 hours |
| Frequency | 21,600 vph |
| Functions | Hours, minutes, seconds, date |
| Case | |
| Case Material | Stainless Steel |
| Case Dimensions | 41.7 mm x 12.3 mm, 49.5 mm lug-to-lug |
| Water Resistance | 200 m / 660 feet |
| Bezel | Unidirectional rotating, Black insert |
| Crystal | Sapphire Crystal |
| Case Back | Solid, Stainless Steel |
| Dial Colour | Yellow, sand-textured, sunset-inspired gradient |
| Dial Indicators | Lumed applied hour markers and hands |
| Bracelet | |
| Bracelet Material | Stainless Steel |
Inclusions |
Limited Edition of 2,500 pieces, individually numbered |



