Seiko Cal. 3880 - 975

This Spring Drive model from 1977 features a 35mm Hardlex-Coated Steel case. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-4af918373f98]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

Related Models

• Seiko 6291-385
• Seiko 6642-341
• Seiko 6669-835
• Seiko 5689-196
• Seiko 5219-778
• Seiko 6620-854
• Seiko 0735-562
• Seiko 0779-551
• Seiko 5293-188
• Seiko 3883-501
• Seiko 3889-126
• Seiko 7113-822