Seiko Cal. 7121 - 403

This Spring Drive model from 1972 features a 41mm Two-Tone case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-93a51c4b1ad1]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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