Seiko Cal. 5617 - 244

This Spring Drive model from 1970 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-1b4789005e6a]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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