Seiko Cal. 7170 - 655

This Solar model from 1977 features a 35mm Two-Tone case. Powered by the 7170 caliber with 20j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-2b6d9095712c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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