Seiko Cal. 6642 - 735

The Seiko 6642-735 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-99ff0af912b4]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1973

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