Seiko Cal. 0733 - 923

This Spring Drive model from 1969 features a 34mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-6cb56ba37ee1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

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