Seiko Cal. 6642 - 721

The Seiko 6642-721 represents an important milestone in Seiko's 1989 lineup. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-61828bc71abb]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1989

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