Seiko Cal. 6321 - 375

Seiko 6321-375

The 6321-375 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6321 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-df8fdd3bc2f8]

Also known as: Rally

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
43mm
Case Thickness
10.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1971

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