Seiko Cal. 6340 - 772

This Spring Drive model from 1967 features a 44mm Titanium case. Powered by the 6340 caliber with 22j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-476fdd359066]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1967

Related Models

• Seiko 5654-299
• Seiko 5680-934
• Seiko 7010-145
• Seiko 0716-826
• Seiko 7160-226
• Seiko 4557-786
• Seiko 5236-612
• Seiko 6256-578
• Seiko 4577-224
• Seiko 7044-712
• Seiko 6367-907
• Seiko 6333-830