Seiko Cal. 5641 - 960

This Kinetic model from 1978 features a 41mm Gold-Plated case. Powered by the 5641 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-8b3d9188253b]

Also known as: Tuna, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1978

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