Seiko Cal. 6678 - 371

This Hand-Winding model from 1992 features a 34mm Stainless Steel case. Powered by the 6678 caliber with 20j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-85c7ea4f92a4]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1992

Related Models

• Seiko 7179-863
• Seiko 6224-119
• Seiko 4584-517
• Seiko 7194-224
• Seiko 6257-576
• Seiko 4481-958
• Seiko 5692-734
• Seiko 7029-832
• Seiko 7198-313
• Seiko 0764-921
• Seiko 6398-894
• Seiko 7176-540