Seiko Cal. 6399 - 740

The 6399-740 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6399 caliber with 18j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-4deea1d76632]

Also known as: Rally, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1980

Related Models

• Seiko 7053-941
• Seiko 6196-605
• Seiko 4513-812
• Seiko 6168-214
• Seiko 5270-654
• Seiko 0730-567
• Seiko 6279-415
• Seiko 6610-195
• Seiko 5291-832
• Seiko 7014-575
• Seiko 7141-889
• Seiko 7025-572