Seiko Cal. 4518 - 850

The Seiko 4518-850 represents an important milestone in Seiko's 1998 lineup. Powered by the 4518 caliber with 34j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-b77a73ece1e4]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1998

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