Seiko Cal. 5643 - 143

This Spring Drive model from 1971 features a 34mm PVD Black case. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-ab18b7e212c6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

Related Models

• Seiko 5282-172
• Seiko 7049-403
• Seiko 7192-595
• Seiko 6132-498
• Seiko 3820-709
• Seiko 6218-139
• Seiko 5246-764
• Seiko 6690-977
• Seiko 0788-871
• Seiko 4525-573
• Seiko 5284-115
• Seiko 6312-140