Seiko Cal. 6668 - 255

The Seiko 6668-255 represents an important milestone in Seiko's 1980 lineup. Powered by the 6668 caliber with 28j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-147000a54a4e]

Also known as: Turtle, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

Related Models

• Seiko 5274-171
• Seiko 7157-771
• Seiko 6320-225
• Seiko 6280-133
• Seiko 7145-963
• Seiko 4515-699
• Seiko 5679-949
• Seiko 5248-746
• Seiko 4588-345
• Seiko 7015-382
• Seiko 5287-964
• Seiko 7085-150