Seiko Cal. 6642 - 432

The Seiko 6642-432 represents an important milestone in Seiko's 1992 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-4f782e4d5eb1]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1992

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