Seiko Cal. 6331 - 622

The 6331-622 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-0ada5bc43e33]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1991

Related Models

• Seiko 6166-530
• Seiko 0750-111
• Seiko 5274-488
• Seiko 7037-253
• Seiko 6185-902
• Seiko 0757-147
• Seiko 7085-386
• Seiko 6123-798
• Seiko 5664-908
• Seiko 7152-190
• Seiko 6665-528
• Seiko 7011-818