Seiko Cal. 7137 - 639

The Seiko 7137-639 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1d1341d647a9]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1980

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