Seiko Cal. 4552 - 403

The Seiko 4552-403 represents an important milestone in Seiko's 1974 lineup. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-9adb3eef2d1d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

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