Seiko Cal. 4424 - 728

This Quartz model from 1975 features a 39mm Gold-Plated case. Powered by the 4424 caliber with 27j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4500bed13a36]

Also known as: Sumo, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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