Seiko Cal. 6634 - 381

The Seiko 6634-381 represents an important milestone in Seiko's 1999 lineup. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-33c36c8d0a36]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1999

Related Models

• Seiko 7192-443
• Seiko 5685-341
• Seiko 6638-821
• Seiko 7117-272
• Seiko 0717-214
• Seiko 7162-749
• Seiko 6364-135
• Seiko 3869-435
• Seiko 7174-488
• Seiko 4574-258
• Seiko 5256-108
• Seiko 6147-877