Seiko Cal. 7031 - 559

This Solar model from 1974 features a 39mm Titanium case. Powered by the 7031 caliber with 20j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-158263a614cb]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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