Seiko Cal. 5218 - 635

This Spring Drive model from 1970 features a 43mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-2299c5759923]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1970

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