Seiko Cal. 3891 - 866

The Seiko 3891-866 represents an important milestone in Seiko's 1966 lineup. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-3d914420a68c]

Also known as: Panda, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1966

Related Models

• Seiko 7130-535
• Seiko 4486-863
• Seiko 5685-562
• Seiko 6374-493
• Seiko 4533-438
• Seiko 5246-456
• Seiko 5273-913
• Seiko 6275-585
• Seiko 4557-128
• Seiko 7132-753
• Seiko 3850-781
• Seiko 0742-315