Seiko Cal. 5664 - 186

The 5664-186 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5664 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-899a4a9a6293]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1993

Related Models

• Seiko 3810-811
• Seiko 6675-819
• Seiko 6698-809
• Seiko 6656-118
• Seiko 7140-153
• Seiko 0712-735
• Seiko 6663-965
• Seiko 4444-380
• Seiko 7116-656
• Seiko 3878-742
• Seiko 6363-621
• Seiko 6196-664