Seiko Cal. 5633 - 147

This Spring Drive model from 1966 features a 38mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-861e2aae4bce]

Also known as: Rally, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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