Seiko Cal. 4446 - 378

This Automatic model from 1977 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-86cebeab3b5a]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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