Seiko Cal. 7139 - 315

Seiko 7139-315

The 7139-315 is a sought-after Solar piece from Seiko's golden era. Powered by the 7139 caliber with 21j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-95f1912949db]

Also known as: Panda, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1965

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seikata-wm-95f1912949db