Seiko Cal. 4557 - 505

This Solar model from 1969 features a 43mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-dc3a32b2cb24]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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