Seiko Cal. 7155 - 720

Seiko 7155-720

The 7155-720 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7155 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-28ed7a065858]

Also known as: Monster, Arnie

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
120m
Dial Color
Champagne
Jewels
18j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1965

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seikata-wm-28ed7a065858