Seiko Cal. 5690 - 477

This Spring Drive model from 1988 features a 41mm Titanium case. Powered by the 5690 caliber with 23j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-04ff01803651]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1988

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