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Seiko Prospex Sea

Seiko Prospex Sea

Quartz

Ref. S23635J1

Collection: ProspexCase size: 49.4mmMovement: 7C46

The Seiko Prospex Sea, reference S23635J1, is a 49.4 mm dive watch produced as a limited edition of 1,200 pieces. The one-piece case is 16.3 mm thick and has a screw-down crown. A quartz calibre 7C46 has approximately 60 months of battery life. Beneath the sapphire crystal, the dial displays central seconds, the weekday and date. The hands and indices have LumiBrite. The bezel rotates unidirectionally, and the watch is water resistant to 1000 metres. The strap is silicone. An additional silicone strap is included.

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Last updated 24 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

Limited Edition

1,200 pieces

CASE

Diameter

49.4mm

Thickness

16.3mm

Lug to Lug

49.4mm

Lug Width

22mm

Water Resistance

1000m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Quartz

Caliber

7C46

Jewels

7 jewels

BRACELET/STRAP

Bracelet/Strap

Silicon

FEATURES & COMPLICATIONS

Central secondsDateLimited EditionLuminous handsLuminous indicesRotating BezelScrew-Down CrownWeekday

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