Seiko Cal. 7139 - 348

Seiko 7139-348

The 7139-348 is a sought-after Solar piece from Seiko's golden era. Powered by the 7139 caliber with 18j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-56024830ece4]

Also known as: Sumo, Rally

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1987

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seikata-wm-56024830ece4