Seiko Cal. 4521 - 167

This Hand-Winding model from 1981 features a 36mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-c7b31135a4b3]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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