Seiko Cal. 4427 - 956

This Hand-Winding model from 1986 features a 46mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-d8237b7801a8]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1986

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