Seiko Cal. 4486 - 751

This Hand-Winding model from 1978 features a 44mm PVD Black case. Powered by the 4486 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-78e565097e82]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1978

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