Seiko Cal. 6237 - 904

The Seiko 6237-904 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e78b0d84cb25]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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