Seiko Cal. 6634 - 618

This Quartz model from 1981 features a 37mm Titanium case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-c29c4d22486d]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1981

Related Models

• Seiko 6348-834
• Seiko 4526-856
• Seiko 4466-362
• Seiko 6669-280
• Seiko 5289-706
• Seiko 4466-715
• Seiko 6293-269
• Seiko 5640-719
• Seiko 7041-771
• Seiko 5643-807
• Seiko 7189-899
• Seiko 7014-203