Seiko Cal. 7139 - 284

This Automatic model from 1972 features a 46mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1f7564d08556]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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