Seiko Cal. 7066 - 820

The Seiko 7066-820 represents an important milestone in Seiko's 1991 lineup. Powered by the 7066 caliber with 29j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-b5e60e1dbfa5]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1991

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