Seiko Cal. 7121 - 630

This Spring Drive model from 1983 features a 43mm Gold-Plated case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-103219b76e45]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

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