Seiko Cal. 6642 - 534

The Seiko 6642-534 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-86910b74d1e8]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1993

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