Seiko Cal. 6680 - 780

The Seiko 6680-780 represents an important milestone in Seiko's 1989 lineup. Powered by the 6680 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-af837eb168d6]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1989

Related Models

• Seiko 5639-542
• Seiko 6389-605
• Seiko 3815-217
• Seiko 6388-304
• Seiko 6328-519
• Seiko 7050-978
• Seiko 7075-352
• Seiko 3889-898
• Seiko 3865-541
• Seiko 3815-608
• Seiko 4492-236
• Seiko 0741-749