Seiko Cal. 6659 - 778

This Hand-Winding model from 1983 features a 37mm Two-Tone case. Powered by the 6659 caliber with 34j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-3b64a7a0f066]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1983

Related Models

• Seiko 4436-565
• Seiko 3889-708
• Seiko 6188-831
• Seiko 5673-458
• Seiko 4591-359
• Seiko 6383-741
• Seiko 3888-691
• Seiko 0758-813
• Seiko 4562-885
• Seiko 6292-842
• Seiko 3894-488
• Seiko 7093-658