Seiko Cal. 5633 - 905

This Hand-Winding model from 1986 features a 40mm Titanium case. Powered by the 5633 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-7a02e0c97872]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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