Seiko Cal. 4516 - 423

This Spring Drive model from 1975 features a 41mm Stainless Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-7e52f47a0917]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1975

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