Seiko Cal. 6641 - 224

The Seiko 6641-224 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a9a8ad26cc7e]

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

Related Models

• Seiko 3879-825
• Seiko 4461-651
• Seiko 5236-300
• Seiko 6174-766
• Seiko 4527-915
• Seiko 7194-908
• Seiko 0724-592
• Seiko 7123-570
• Seiko 7135-660
• Seiko 3882-574
• Seiko 3815-355
• Seiko 0724-623