Seiko Cal. 7139 - 172

This Spring Drive model from 1977 features a 40mm Hardlex-Coated Steel case. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-9bf1ec3751d9]

Also known as: Shogun, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

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