Seiko Cal. 4550 - 403

The Seiko 4550-403 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-781f93878da6]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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