Seiko Cal. 6640 - 885

The 6640-885 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6640 caliber with 24j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-5a7556ef6267]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1979

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