Seiko Cal. 6686 - 397

The Seiko 6686-397 represents an important milestone in Seiko's 1977 lineup. Powered by the 6686 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-6eff3422493e]

Also known as: Turtle, Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 6195-866
• Seiko 6250-514
• Seiko 0770-727
• Seiko 3840-562
• Seiko 7092-615
• Seiko 5689-382
• Seiko 3819-880
• Seiko 6218-341
• Seiko 6356-597
• Seiko 5267-707
• Seiko 6265-308
• Seiko 5636-753