Seiko Cal. 4443 - 325

Seiko 4443-325

The 4443-325 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4443 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1dac0f0a33f1]

Also known as: Tuna, Rally

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1989

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