Seiko Cal. 6663 - 481

This Quartz model from 1967 features a 42mm Two-Tone case. Powered by the 6663 caliber with 36j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4b4561a1f0cf]

Also known as: Monster, Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

Related Models

• Seiko 5674-529
• Seiko 7170-898
• Seiko 3827-984
• Seiko 6646-889
• Seiko 5288-418
• Seiko 0764-300
• Seiko 4560-923
• Seiko 7121-249
• Seiko 3813-797
• Seiko 6213-715
• Seiko 6172-334
• Seiko 6662-175