Seiko Cal. 7143 - 303

This Hand-Winding model from 1983 features a 40mm Gold-Plated case. With its 20mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-bc3f00697692]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1983

Related Models

• Seiko 6664-999
• Seiko 6331-265
• Seiko 4421-369
• Seiko 4517-322
• Seiko 6219-108
• Seiko 6248-245
• Seiko 7152-316
• Seiko 6680-461
• Seiko 0795-434
• Seiko 3854-794
• Seiko 6694-397
• Seiko 4517-467