Seiko Cal. 0716 - 640

The 0716-640 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 0716 caliber with 22j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-0c7a4a25b4c8]

Also known as: Samurai, Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1970

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