Seiko Cal. 6340 - 764

This Spring Drive model from 1966 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-317efc9e97a1]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1966

Related Models

• Seiko 7012-170
• Seiko 5237-777
• Seiko 6290-121
• Seiko 6644-705
• Seiko 6285-388
• Seiko 5246-301
• Seiko 7178-547
• Seiko 4558-983
• Seiko 6279-569
• Seiko 5212-633
• Seiko 7096-593
• Seiko 4592-401