Seiko Cal. 7131 - 652

This Automatic model from 1975 features a 39mm Two-Tone case. Powered by the 7131 caliber with 25j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-39314b712cfe]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

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