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Seiko Prospex Sea

Seiko Prospex Sea

QuartzSteel

Ref. SKA761

Collection: ProspexCase size: 43mmMovement: 5M82

The Seiko Prospex Sea, reference SKA761, is a dive watch with a 43 mm steel case. The case has a thickness of 14.2 mm, with a water-resistance rating of 200 metres. The movement is quartz calibre 5M82, which contains 6 jewels. The watch has a Hardlex crystal. Fastening is by a folding clasp with a three-fold construction and a push-button release mechanism and an extender. LumiBrite is applied to the hands and indices. The case has a lug width of 20 mm. The case has a screw-down crown.

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Last updated 9 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

43mm

Thickness

14.2mm

Lug Width

20mm

Case Material

Steel

Water Resistance

200m

Crystal

Mineral Glass

MOVEMENT

Movement Type

Quartz

Caliber

5M82

Jewels

6 jewels

BRACELET/STRAP

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

Luminous handsLuminous indicesRotating BezelScrew-Down Crown

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FOR WATCH DEALERS

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