Seiko Cal. 4428 - 979

Seiko 4428-979

This Automatic model from 1978 features a 45mm PVD Black case. Powered by the 4428 caliber with 24j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-dca69328865b]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1978

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