Seiko Cal. 5640 - 459

The 5640-459 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5640 caliber with 33j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e89e2811ced8]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

Related Models

• Seiko 3871-535
• Seiko 7166-564
• Seiko 0726-864
• Seiko 6378-997
• Seiko 6240-994
• Seiko 6331-963
• Seiko 0779-767
• Seiko 6349-683
• Seiko 6169-982
• Seiko 4531-240
• Seiko 6290-329
• Seiko 4420-984