Seiko Cal. 5697 - 646

This Hand-Winding model from 1979 features a 41mm Titanium case. Powered by the 5697 caliber with 36j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-b2132caa3b55]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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