Seiko Cal. 5287 - 420

This Hand-Winding model from 1981 features a 45mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-54ef05198698]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

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