Seiko Cal. 7125 - 637

Seiko 7125-637

The 7125-637 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7125 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-8106affb59c4]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
13.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
34j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1970

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seikata-wm-8106affb59c4