Seiko Cal. 6646 - 486

This Solar model from 1975 features a 46mm Gold-Plated case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-61654f20a1a8]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 6320-488
• Seiko 6137-598
• Seiko 6330-393
• Seiko 4573-982
• Seiko 6638-945
• Seiko 4594-418
• Seiko 6374-266
• Seiko 6168-790
• Seiko 3868-647
• Seiko 4427-396
• Seiko 0739-283
• Seiko 3845-354