Seiko Cal. 5690 - 840

This Hand-Winding model from 1994 features a 43mm Stainless Steel case. Powered by the 5690 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-afd554a7a5c9]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1994

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