Seiko Cal. 7139 - 121

The Seiko 7139-121 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cfb5047ab96b]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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