Seiko Cal. 4428 - 472

Seiko 4428-472

This Automatic model from 1994 features a 38mm PVD Black case. Powered by the 4428 caliber with 22j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-aef71a796acf]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
22j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1994

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