Seiko Cal. 3879 - 878

This Spring Drive model from 1999 features a 44mm Gold-Plated case. Powered by the 3879 caliber with 36j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-19bca06aca09]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1999

Related Models

• Seiko 7165-433
• Seiko 0766-622
• Seiko 3894-155
• Seiko 6349-761
• Seiko 5246-296
• Seiko 7177-279
• Seiko 6641-503
• Seiko 4568-245
• Seiko 5253-729
• Seiko 6282-833
• Seiko 7045-385
• Seiko 6392-252