Seiko Cal. 7121 - 443

The Seiko 7121-443 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-ad6bd73e57d1]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1980

Related Models

• Seiko 4471-548
• Seiko 5296-808
• Seiko 6262-951
• Seiko 6275-897
• Seiko 6131-838
• Seiko 6353-901
• Seiko 4473-899
• Seiko 6315-129
• Seiko 7084-614
• Seiko 5679-687
• Seiko 4471-646
• Seiko 6635-384