Seiko Cal. 6684 - 879

The Seiko 6684-879 represents an important milestone in Seiko's 1976 lineup. Powered by the 6684 caliber with 22j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-c87fdb70ad15]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1976

Related Models

• Seiko 7096-351
• Seiko 6618-928
• Seiko 7185-751
• Seiko 6319-268
• Seiko 7144-674
• Seiko 7181-764
• Seiko 0734-383
• Seiko 7029-369
• Seiko 6632-931
• Seiko 3887-605
• Seiko 7190-907
• Seiko 7057-202