Seiko Cal. 4557 - 656

This Automatic model from 1990 features a 36mm Hardlex-Coated Steel case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-e81ba8372d6c]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1990

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