Seiko Cal. 6633 - 152

This Spring Drive model from 1976 features a 36mm Gold-Plated case. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-9fa71240eaa7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1976

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