Seiko Cal. 5639 - 953

This Automatic model from 1975 features a 40mm Titanium case. Powered by the 5639 caliber with 24j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-d9d45760d599]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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