Seiko Cal. 6641 - 567

The Seiko 6641-567 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0ab0763480f0]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

Related Models

• Seiko 6650-967
• Seiko 5621-614
• Seiko 0729-631
• Seiko 6164-779
• Seiko 4468-108
• Seiko 0718-807
• Seiko 6612-527
• Seiko 7134-680
• Seiko 6379-531
• Seiko 4460-582
• Seiko 0787-984
• Seiko 5292-725