Seiko Cal. 6121 - 375

This Spring Drive model from 1987 features a 43mm Hardlex-Coated Steel case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-e910ce436750]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1987

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