Seiko Cal. 4421 - 802

This Spring Drive model from 1982 features a 37mm PVD Black case. Powered by the 4421 caliber with 17j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-cff439181d6c]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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