Seiko Cal. 6661 - 745

This Spring Drive model from 1968 features a 46mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-35e2507f6f81]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

Related Models

• Seiko 6150-376
• Seiko 0797-655
• Seiko 4596-986
• Seiko 6266-394
• Seiko 6137-509
• Seiko 7060-537
• Seiko 5687-550
• Seiko 6142-613
• Seiko 5624-342
• Seiko 4414-798
• Seiko 5295-802
• Seiko 6161-597