Seiko Cal. 6646 - 233

The 6646-233 is a sought-after Solar piece from Seiko's golden era. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-b8e05513ae14]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

Related Models

• Seiko 4421-778
• Seiko 6275-738
• Seiko 5244-708
• Seiko 6355-761
• Seiko 6191-630
• Seiko 3817-377
• Seiko 4530-476
• Seiko 6218-989
• Seiko 5654-449
• Seiko 5274-689
• Seiko 4479-136
• Seiko 6667-450