Seiko Cal. 6680 - 454

The Seiko 6680-454 represents an important milestone in Seiko's 1966 lineup. Powered by the 6680 caliber with 19j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-a9208d4021ac]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

Related Models

• Seiko 4481-350
• Seiko 4472-143
• Seiko 5631-577
• Seiko 5660-716
• Seiko 6142-832
• Seiko 5263-148
• Seiko 6116-664
• Seiko 5654-839
• Seiko 7015-774
• Seiko 6325-627
• Seiko 4487-730
• Seiko 5640-370