Seiko Cal. 4517 - 931

This Hand-Winding model from 1968 features a 37mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-d7d0ad18c078]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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