Seiko Cal. 6642 - 431

The Seiko 6642-431 represents an important milestone in Seiko's 1976 lineup. It features a Cream dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-9be88a731a50]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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