Seiko Cal. 6642 - 625

The Seiko 6642-625 represents an important milestone in Seiko's 1972 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-fda1c648b1a7]

Also known as: UFO, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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