Seiko Cal. 6613 - 680

The Seiko 6613-680 represents an important milestone in Seiko's 1998 lineup. Powered by the 6613 caliber with 23j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-d3664084d290]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1998

Related Models

• Seiko 0716-648
• Seiko 5643-730
• Seiko 4517-128
• Seiko 6141-550
• Seiko 4451-486
• Seiko 4521-205
• Seiko 4524-875
• Seiko 6249-757
• Seiko 5672-788
• Seiko 6120-401
• Seiko 5288-651
• Seiko 6132-541