Seiko Cal. 6634 - 943

Seiko 6634-943

The 6634-943 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 19j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-8bbc21a68704]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
19j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1994

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seikata-wm-8bbc21a68704