Seiko Cal. 6678 - 609

The Seiko 6678-609 represents an important milestone in Seiko's 1998 lineup. Powered by the 6678 caliber with 19j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-6f4443f49f81]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1998

Related Models

• Seiko 6287-210
• Seiko 6335-932
• Seiko 5614-399
• Seiko 6175-728
• Seiko 7059-799
• Seiko 4479-387
• Seiko 5228-493
• Seiko 4488-947
• Seiko 6362-680
• Seiko 5653-422
• Seiko 6244-313
• Seiko 5241-522