Seiko Cal. 4550 - 169

This Automatic model from 1974 features a 41mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-f98949bd999e]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1974

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