Seiko Cal. 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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