Seiko Cal. 4518 - 539

The Seiko 4518-539 represents an important milestone in Seiko's 1989 lineup. Powered by the 4518 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-741d515d00b2]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1989

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