Seiko Cal. 7191 - 307

Seiko 7191-307

The 7191-307 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7191 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-b3e512daa8b9]

Also known as: UFO, Arnie

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1972

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