Seiko Cal. 7131 - 443

This Solar model from 1976 features a 42mm Gold-Plated case. Powered by the 7131 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-dae82336d5fa]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1976

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