Seiko Cal. 4428 - 192

This Quartz model from 1990 features a 43mm Stainless Steel case. Powered by the 4428 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-19ecd619fd9c]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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