Seiko Cal. 6646 - 241

The Seiko 6646-241 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-1d4f0b2d4f23]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 0787-370
• Seiko 4578-811
• Seiko 5228-402
• Seiko 4428-539
• Seiko 5632-853
• Seiko 6385-247
• Seiko 6619-476
• Seiko 3815-286
• Seiko 6185-896
• Seiko 0794-265
• Seiko 3828-825
• Seiko 5251-579