Seiko Cal. 6678 - 765

The Seiko 6678-765 represents an important milestone in Seiko's 1977 lineup. Powered by the 6678 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-8f3d72788ee3]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 4411-504
• Seiko 5675-661
• Seiko 7170-156
• Seiko 6673-677
• Seiko 6621-584
• Seiko 6255-128
• Seiko 4583-342
• Seiko 7054-778
• Seiko 4581-668
• Seiko 5669-135
• Seiko 3835-429
• Seiko 0781-104