Seiko Cal. 6683 - 537

The Seiko 6683-537 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-c6082c49b8ef]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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