Seiko Cal. 5634 - 101

The Seiko 5634-101 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-bfe3ec7cd620]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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