Seiko Cal. 4457 - 916

This Spring Drive model from 1977 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-75ee15fd10e7]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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