Seiko Cal. 5645 - 766

The Seiko 5645-766 represents an important milestone in Seiko's 1981 lineup. Powered by the 5645 caliber with 26j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-1338fe731010]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1981

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