Seiko Cal. 4446 - 280

This Spring Drive model from 1973 features a 36mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-766a8c8ce0b9]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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