Seiko Cal. 6137 - 790

The Seiko 6137-790 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-eb4de15a47c8]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1972

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