Seiko Cal. 6678 - 200

The Seiko 6678-200 represents an important milestone in Seiko's 1974 lineup. Powered by the 6678 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-44fba19a7921]

Also known as: Tuna, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1974

Related Models

• Seiko 5266-602
• Seiko 5643-411
• Seiko 6183-399
• Seiko 5652-750
• Seiko 5229-668
• Seiko 4526-424
• Seiko 6186-693
• Seiko 6698-798
• Seiko 0761-345
• Seiko 4532-996
• Seiko 6263-619
• Seiko 6633-749