Seiko Cal. 4587 - 738

This Spring Drive model from 1985 features a 42mm Hardlex-Coated Steel case. Powered by the 4587 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-659753f3d0c4]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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