Seiko Cal. 5648 - 237

The Seiko 5648-237 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ad8fa892249e]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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