Seiko Cal. 6617 - 610

The Seiko 6617-610 represents an important milestone in Seiko's 1978 lineup. Powered by the 6617 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-2deb4fcea665]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1978

Related Models

• Seiko 6299-961
• Seiko 7120-991
• Seiko 7092-955
• Seiko 6357-207
• Seiko 3885-775
• Seiko 6265-162
• Seiko 5612-554
• Seiko 7078-918
• Seiko 4483-993
• Seiko 7088-679
• Seiko 6128-558
• Seiko 6166-935