Seiko Cal. 6635 - 172

This Hand-Winding model from 1988 features a 45mm Gold-Plated case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-057eb884fb75]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 6356-901
• Seiko 7049-964
• Seiko 5648-838
• Seiko 5652-565
• Seiko 3864-294
• Seiko 3868-683
• Seiko 5663-997
• Seiko 6263-158
• Seiko 4553-796
• Seiko 6229-186
• Seiko 3847-477
• Seiko 6625-174