Seiko Cal. 6641 - 231

The Seiko 6641-231 represents an important milestone in Seiko's 1965 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-8c723f0033a6]

Also known as: Samurai, Pogue

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1965

Related Models

• Seiko 7072-106
• Seiko 5675-235
• Seiko 6153-109
• Seiko 5280-130
• Seiko 5230-172
• Seiko 6641-511
• Seiko 7025-726
• Seiko 7090-649
• Seiko 6379-434
• Seiko 7031-947
• Seiko 7170-348
• Seiko 4517-910