Seiko Cal. 0774 - 639

The Seiko 0774-639 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-bbe512fbb70b]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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