Seiko Cal. 5691 - 761

This Spring Drive model from 1983 features a 45mm Gold-Plated case. Powered by the 5691 caliber with 27j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-0bb93cbcc992]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1983

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