Seiko Cal. 6664 - 203

The Seiko 6664-203 represents an important milestone in Seiko's 1965 lineup. Powered by the 6664 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-949323fe4ca6]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

Related Models

• Seiko 4574-350
• Seiko 0720-621
• Seiko 7056-980
• Seiko 6642-751
• Seiko 7171-857
• Seiko 6351-217
• Seiko 3824-441
• Seiko 7199-533
• Seiko 0753-356
• Seiko 5682-254
• Seiko 4463-324
• Seiko 3879-143