Seiko Cal. 7139 - 750

This Hand-Winding model from 1994 features a 40mm Stainless Steel case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bb1383cb0fd2]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1994

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