Seiko Cal. 7139 - 877

The 7139-877 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-a18df367fb60]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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