Seiko Cal. 6642 - 786

The Seiko 6642-786 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5bdbc1ab259c]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1974

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