Seiko Cal. 4582 - 657

The Seiko 4582-657 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-42a615276ebb]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

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