Seiko Cal. 6633 - 873

Seiko 6633-873

The 6633-873 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6633 caliber with 26j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-25975315c327]

Also known as: Tuna, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
26j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1980

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seikata-wm-25975315c327