Seiko Cal. 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

Related Models

• Seiko 6315-211
• Seiko 4482-219
• Seiko 6133-905
• Seiko 5247-114
• Seiko 4554-129
• Seiko 4551-601
• Seiko 0767-828
• Seiko 6118-245
• Seiko 5290-519
• Seiko 6365-432
• Seiko 6110-544
• Seiko 6647-325