Seiko Cal. 3828 - 643

This Automatic model from 1976 features a 36mm PVD Black case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-1d96137c7320]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

Related Models

• Seiko 4455-159
• Seiko 6349-145
• Seiko 5685-838
• Seiko 0767-202
• Seiko 3868-679
• Seiko 4493-939
• Seiko 6296-133
• Seiko 7090-582
• Seiko 4546-420
• Seiko 7134-971
• Seiko 6113-405
• Seiko 7150-994