Seiko Cal. 6610 - 661

The Seiko 6610-661 represents an important milestone in Seiko's 1975 lineup. Powered by the 6610 caliber with 33j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-ab151438cb4f]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

Related Models

• Seiko 7029-922
• Seiko 6265-505
• Seiko 4592-796
• Seiko 3899-721
• Seiko 5654-150
• Seiko 5658-379
• Seiko 4466-216
• Seiko 3888-261
• Seiko 4521-443
• Seiko 6296-413
• Seiko 4442-511
• Seiko 6134-865