Seiko Cal. 7140 - 163

This Automatic model from 1975 features a 45mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-1a573c878fe3]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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