Seiko Cal. 6321 - 676

Seiko 6321-676

The 6321-676 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6321 caliber with 33j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-fe1011cdd360]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1996

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seikata-wm-fe1011cdd360