Seiko Cal. 5645 - 693

The Seiko 5645-693 represents an important milestone in Seiko's 1967 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d84f4abf46db]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1967

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