Seiko Cal. 3860 - 890

The Seiko 3860-890 represents an important milestone in Seiko's 1990 lineup. Powered by the 3860 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4d91d70c4bcf]

Also known as: Bullhead, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1990

Related Models

• Seiko 6680-512
• Seiko 6651-393
• Seiko 6394-834
• Seiko 6230-735
• Seiko 6682-263
• Seiko 4511-501
• Seiko 6378-615
• Seiko 5678-199
• Seiko 5296-903
• Seiko 7099-335
• Seiko 6639-664
• Seiko 7138-368