Seiko Cal. 6634 - 762

The Seiko 6634-762 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-60512eb81bd8]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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