Seiko Cal. 6634 - 221

This Spring Drive model from 1981 features a 42mm Two-Tone case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-339923b66533]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

Related Models

• Seiko 4423-463
• Seiko 6352-707
• Seiko 4473-230
• Seiko 5620-787
• Seiko 5292-879
• Seiko 5299-935
• Seiko 4538-776
• Seiko 7095-945
• Seiko 3825-525
• Seiko 6315-238
• Seiko 5267-551
• Seiko 7139-617