Seiko Cal. 5680 - 638

This Hand-Winding model from 1991 features a 36mm Titanium case. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-cd5beac71977]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

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