Seiko Cal. 4557 - 890

This Solar model from 1970 features a 44mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-4a3afa5b743f]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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