Seiko Cal. 6674 - 728

The Seiko 6674-728 represents an important milestone in Seiko's 1973 lineup. Powered by the 6674 caliber with 26j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-b0399d62152a]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1973

Related Models

• Seiko 7025-548
• Seiko 5236-500
• Seiko 4427-296
• Seiko 7182-667
• Seiko 6175-769
• Seiko 5612-748
• Seiko 4448-514
• Seiko 4440-477
• Seiko 0753-392
• Seiko 4582-332
• Seiko 3887-897
• Seiko 6613-478