Seiko Cal. 3820 - 670

This Spring Drive model from 1985 features a 35mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c0e1983bd7be]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

Related Models

• Seiko 3889-358
• Seiko 6284-306
• Seiko 6175-295
• Seiko 5619-614
• Seiko 6273-764
• Seiko 0750-227
• Seiko 5642-320
• Seiko 4518-913
• Seiko 5231-408
• Seiko 7022-868
• Seiko 4467-685
• Seiko 6229-961