Seiko Cal. 4431 - 487

This Hand-Winding model from 1984 features a 38mm Hardlex-Coated Steel case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-a3c6464fd8cc]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1984

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