Seiko Cal. 5640 - 152

This Hand-Winding model from 1991 features a 40mm Titanium case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-26f2bd3ea225]

Also known as: Shogun, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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