Seiko Cal. 4518 - 511

This Hand-Winding model from 1975 features a 44mm Titanium case. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-9e3cd1721954]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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