Seiko Cal. 7140 - 733

Seiko 7140-733

The 7140-733 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7140 caliber with 26j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-3cc74b85738a]

Also known as: Monster, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Silver
Jewels
26j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1998

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seikata-wm-3cc74b85738a