Seiko Cal. 7040 - 220

Released in 1980, the Cal. 7040 with design code 220 was part of Seiko's domestic market collection. Powered by the 7040 caliber with 34j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-26bd4823daf0]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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