Seiko Cal. 3874 - 490

This Spring Drive model from 1981 features a 45mm PVD Black case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-00682ff4d74c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

Related Models

• Seiko 4561-248
• Seiko 7175-178
• Seiko 4540-587
• Seiko 7164-924
• Seiko 7125-162
• Seiko 6348-360
• Seiko 6344-283
• Seiko 3826-185
• Seiko 5673-920
• Seiko 6310-645
• Seiko 5659-936
• Seiko 4420-858