Seiko Cal. 6680 - 307

This Hand-Winding model from 1986 features a 41mm Stainless Steel case. Powered by the 6680 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-4a2025e53edc]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

Related Models

• Seiko 6181-912
• Seiko 4479-829
• Seiko 7185-552
• Seiko 5638-243
• Seiko 4413-549
• Seiko 6356-322
• Seiko 6644-709
• Seiko 3899-893
• Seiko 3856-133
• Seiko 6117-833
• Seiko 0735-455
• Seiko 0740-832