Seiko Cal. 4457 - 769

The Seiko 4457-769 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-843611a0abf2]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

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