Seiko Cal. 6642 - 726

The Seiko 6642-726 represents an important milestone in Seiko's 1973 lineup. It features a Cream dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-2a9a3fa7e289]

Also known as: Turtle, Shogun

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1973

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