Seiko Cal. 5610 - 381

This Spring Drive model from 1996 features a 37mm Hardlex-Coated Steel case. Powered by the 5610 caliber with 34j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-37afcb262273]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1996

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