Seiko Cal. 3877 - 674

The Seiko 3877-674 represents an important milestone in Seiko's 1997 lineup. Powered by the 3877 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-8bfd9652a0ef]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1997

Related Models

• Seiko 4462-426
• Seiko 4441-281
• Seiko 0755-348
• Seiko 5631-460
• Seiko 5617-351
• Seiko 4412-380
• Seiko 6698-278
• Seiko 6282-289
• Seiko 0777-529
• Seiko 5659-268
• Seiko 6627-531
• Seiko 0779-813