Seiko Cal. 7121 - 935

This Spring Drive model from 1988 features a 46mm Stainless Steel case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-4f7899a02e20]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

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