Seiko Cal. 6678 - 607

The Seiko 6678-607 represents an important milestone in Seiko's 1992 lineup. Powered by the 6678 caliber with 35j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-11112efeb02d]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1992

Related Models

• Seiko 6661-437
• Seiko 6261-566
• Seiko 0721-876
• Seiko 6646-538
• Seiko 4594-878
• Seiko 7031-722
• Seiko 3827-417
• Seiko 7127-437
• Seiko 7191-260
• Seiko 7184-812
• Seiko 6177-339
• Seiko 5245-648