Seiko Cal. 7055 - 660

Seiko 7055-660

The 7055-660 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7055 caliber with 24j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-8e735eb532cc]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
24j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1971

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