Seiko Cal. 4428 - 192

Seiko 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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