Seiko Cal. 6613 - 737

The Seiko 6613-737 represents an important milestone in Seiko's 1974 lineup. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-24ce1304157a]

Also known as: Bullhead, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1974

Related Models

• Seiko 6217-605
• Seiko 6219-801
• Seiko 7199-537
• Seiko 5670-834
• Seiko 7145-772
• Seiko 6328-825
• Seiko 4453-542
• Seiko 0746-849
• Seiko 4549-135
• Seiko 6680-618
• Seiko 6390-919
• Seiko 6614-370