Seiko Cal. 5637 - 691

This Solar model from 1986 features a 44mm Stainless Steel case. Powered by the 5637 caliber with 24j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-5e8ead5c49c2]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1986

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