Seiko Cal. 4446 - 860

The Seiko 4446-860 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c3ec366fd7f1]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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