Seiko Cal. 5640 - 703

This Hand-Winding model from 1995 features a 36mm Stainless Steel case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-1b8a49271dca]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1995

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