Seiko Cal. 4518 - 854

The Seiko 4518-854 represents an important milestone in Seiko's 1971 lineup. Powered by the 4518 caliber with 34j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-02852c146130]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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