Seiko Cal. 7139 - 999

Seiko 7139-999

The 7139-999 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7139 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-64660fe4816e]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1965

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seikata-wm-64660fe4816e