Seiko Cal. 6641 - 912

The Seiko 6641-912 represents an important milestone in Seiko's 1982 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d4bca2804260]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1982

Related Models

• Seiko 5641-160
• Seiko 5258-285
• Seiko 6264-570
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• Seiko 5250-923
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• Seiko 5269-559
• Seiko 7165-562
• Seiko 4439-901