Seiko Cal. 7139 - 639

Seiko 7139-639

The 7139-639 is a sought-after Solar piece from Seiko's golden era. Powered by the 7139 caliber with 29j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-1c7915a9be73]

Also known as: Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
44 hours
Year
1994

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