Seiko Cal. 6642 - 593

The Seiko 6642-593 represents an important milestone in Seiko's 1973 lineup. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-55e4a9cc7c67]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1973

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