Seiko Cal. 4457 - 768

The Seiko 4457-768 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-b7005c42f92d]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1977

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