Seiko Cal. 7031 - 858

This Quartz model from 1971 features a 41mm Titanium case. Powered by the 7031 caliber with 29j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-1d218fd06f1d]

Also known as: Crown, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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