Seiko Cal. 4518 - 436

This Spring Drive model from 1983 features a 46mm Titanium case. Powered by the 4518 caliber with 28j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0fee211f5f66]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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