Seiko Cal. 4428 - 425

Seiko 4428-425

This Hand-Winding model from 1984 features a 46mm Hardlex-Coated Steel case. Powered by the 4428 caliber with 32j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-5d704502435a]

Also known as: Turtle, World Timer

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
9.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1984

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seikata-wm-5d704502435a