Seiko Cal. 4445 - 376

This Automatic model from 1970 features a 40mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-5e6d0559298c]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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