Seiko Cal. 4428 - 557

Seiko 4428-557

This Automatic model from 1993 features a 46mm Two-Tone case. Powered by the 4428 caliber with 18j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-3c94518a53cf]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1993

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