Seiko Cal. 7139 - 386

Seiko 7139-386

The 7139-386 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ea512d9a23bf]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
22j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1992

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