Seiko Cal. 7139 - 876

The 7139-876 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-ac655ea6ae1a]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1965

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