Seiko Cal. 4552 - 413

This Spring Drive model from 1973 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-33a160ac8943]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1973

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