Seiko Cal. 4418 - 878

The Seiko 4418-878 represents an important milestone in Seiko's 1965 lineup. Powered by the 4418 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-c404a5bec1ed]

Also known as: Sumo, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

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