Seiko Cal. 7156 - 978

Seiko 7156-978

The 7156-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7156 caliber with 33j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-0e589b703b58]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
120m
Dial Color
Black
Jewels
33j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1970

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