Seiko Cal. 6632 - 875

This Spring Drive model from 1981 features a 35mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-f014e2e9167f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

Related Models

• Seiko 6642-331
• Seiko 7054-427
• Seiko 6177-468
• Seiko 6129-241
• Seiko 0772-420
• Seiko 6343-764
• Seiko 5268-407
• Seiko 4424-539
• Seiko 4576-927
• Seiko 6657-444
• Seiko 7063-657
• Seiko 5687-714