Seiko Cal. 6251 - 739

Seiko 6251-739

The 6251-739 is a sought-after Solar piece from Seiko's golden era. Powered by the 6251 caliber with 18j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-ec47d5ca2324]

Also known as: Sumo, Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1973

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