Seiko Cal. 7120 - 256

This Spring Drive model from 1966 features a 42mm Stainless Steel case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-499e244e4883]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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