Seiko Cal. 6633 - 901

Seiko 6633-901

The 6633-901 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6633 caliber with 24j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-cc7074412d28]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Champagne
Jewels
24j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1972

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seikata-wm-cc7074412d28