Seiko Cal. 6634 - 105

The Seiko 6634-105 represents an important milestone in Seiko's 1999 lineup. With its 20mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-529863360e6c]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1999

Related Models

• Seiko 6647-174
• Seiko 7167-341
• Seiko 7123-686
• Seiko 5294-548
• Seiko 6649-810
• Seiko 7013-178
• Seiko 5630-774
• Seiko 4599-887
• Seiko 5263-633
• Seiko 6692-116
• Seiko 3821-615
• Seiko 4450-271