Seiko Cal. 3878 - 668

This Spring Drive model from 1990 features a 45mm PVD Black case. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-6b6431f0c166]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1990

Related Models

• Seiko 5211-626
• Seiko 6384-251
• Seiko 0715-231
• Seiko 0787-335
• Seiko 4585-694
• Seiko 5696-765
• Seiko 7040-516
• Seiko 6269-348
• Seiko 7045-444
• Seiko 4487-219
• Seiko 7062-505
• Seiko 5629-544