Seiko Cal. 7122 - 830

Released in 1973, the Cal. 7122 with design code 830 was part of Seiko's domestic market collection. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-b77de1cbd993]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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