Seiko Cal. 3860 - 919

The 3860-919 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3860 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a7d30323dd1d]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

Related Models

• Seiko 4480-523
• Seiko 4576-978
• Seiko 6280-577
• Seiko 3834-515
• Seiko 4518-281
• Seiko 5678-395
• Seiko 4451-511
• Seiko 6667-612
• Seiko 6148-513
• Seiko 7016-401
• Seiko 6367-747
• Seiko 7078-464