Seiko Cal. 6668 - 146

This Spring Drive model from 1988 features a 35mm Hardlex-Coated Steel case. Powered by the 6668 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-4fccdb791d52]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1988

Related Models

• Seiko 4548-526
• Seiko 4557-705
• Seiko 7048-206
• Seiko 6666-554
• Seiko 4520-381
• Seiko 5620-308
• Seiko 6283-788
• Seiko 5289-744
• Seiko 6154-839
• Seiko 0759-753
• Seiko 4577-690
• Seiko 4443-498