Seiko Cal. 5637 - 829

The Seiko 5637-829 represents an important milestone in Seiko's 1990 lineup. Powered by the 5637 caliber with 32j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-d0075a9f2279]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1990

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