Seiko Cal. 4427 - 953

This Spring Drive model from 1967 features a 45mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-0ab8688b01de]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1967

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