Seiko Cal. 4531 - 797

This Automatic model from 1978 features a 45mm Stainless Steel case. Powered by the 4531 caliber with 34j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-f172bd39d2a3]

Also known as: Monster, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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