Seiko Cal. 5645 - 300

This Solar model from 1979 features a 37mm Titanium case. Powered by the 5645 caliber with 27j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-09363ba03de4]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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