Seiko Cal. 4436 - 213

This Spring Drive model from 1974 features a 41mm Gold-Plated case. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-ceddb122717b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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