Seiko Cal. 7170 - 779

The 7170-779 is a sought-after Solar piece from Seiko's golden era. Powered by the 7170 caliber with 35j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ea6d02a21f58]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1982

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