Seiko Cal. 6321 - 661

This Spring Drive model from 1974 features a 41mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-9baf85dc3eb0]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

Related Models

• Seiko 4411-193
• Seiko 6273-883
• Seiko 5619-161
• Seiko 7047-816
• Seiko 0764-772
• Seiko 6114-927
• Seiko 6640-654
• Seiko 4550-140
• Seiko 4545-366
• Seiko 7181-860
• Seiko 7128-783
• Seiko 4534-328