Seiko Cal. 4457 - 446

The Seiko 4457-446 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-12295d1e9327]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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