Seiko Cal. 6634 - 696

Seiko 6634-696

The 6634-696 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6634 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-1a97ec856ea2]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1989

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