Seiko Cal. 3817 - 144

The Seiko 3817-144 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-aa5bada53440]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

Related Models

• Seiko 4596-858
• Seiko 0764-771
• Seiko 0755-783
• Seiko 6274-553
• Seiko 6351-586
• Seiko 6384-933
• Seiko 7091-771
• Seiko 5615-614
• Seiko 0799-886
• Seiko 6397-247
• Seiko 4588-147
• Seiko 6276-537