Seiko Cal. 7017 - 770

The Seiko 7017-770 represents an important milestone in Seiko's 1988 lineup. Powered by the 7017 caliber with 27j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-eb934406c3e3]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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