Seiko Cal. 5633 - 651

This Hand-Winding model from 1965 features a 42mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-3dec49bcbfa8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1965

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