Seiko Cal. 4423 - 902

Seiko 4423-902

This Quartz model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 4423 caliber with 30j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-20b5611ef56b]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1987

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