Seiko Cal. 5637 - 108

The Seiko 5637-108 represents an important milestone in Seiko's 1989 lineup. Powered by the 5637 caliber with 34j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-18346bb0f1ab]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1989

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