Seiko Cal. 7142 - 670

Seiko 7142-670

This Automatic model from 1981 features a 37mm Gold-Plated case. Powered by the 7142 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-c8c490cfa9e8]

Also known as: Sumo, Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1981

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