Seiko Cal. 4431 - 759

This Spring Drive model from 1982 features a 41mm Gold-Plated case. Powered by the 4431 caliber with 32j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-ef4b7c854f97]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

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