Seiko Cal. 6633 - 139

This Automatic model from 1988 features a 34mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c985caa808ee]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

Related Models

• Seiko 6349-968
• Seiko 0740-311
• Seiko 6132-602
• Seiko 5289-741
• Seiko 4520-763
• Seiko 7050-229
• Seiko 6393-198
• Seiko 3896-627
• Seiko 6161-492
• Seiko 4411-268
• Seiko 6357-141
• Seiko 6194-259