Seiko Cal. 4587 - 943

The 4587-943 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-794cfc594ec7]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1985

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