Seiko Cal. 4457 - 580

The Seiko 4457-580 represents an important milestone in Seiko's 1983 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-8679d877198a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1983

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