Seiko Cal. 4518 - 503

This Spring Drive model from 1974 features a 36mm Titanium case. Powered by the 4518 caliber with 19j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e17a8a79f793]

Also known as: Samurai, Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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