Seiko Cal. 3870 - 679

The 3870-679 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3870 caliber with 26j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-05e14e1a6411]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1966

Related Models

• Seiko 7020-557
• Seiko 4578-555
• Seiko 3871-827
• Seiko 6615-699
• Seiko 4579-128
• Seiko 7026-700
• Seiko 5614-543
• Seiko 4522-184
• Seiko 5242-888
• Seiko 0782-728
• Seiko 5691-738
• Seiko 7077-577