Seiko Cal. 5665 - 999

This Spring Drive model from 1981 features a 38mm Gold-Plated case. Powered by the 5665 caliber with 17j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-0c8a10c780e8]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1981

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