Seiko Cal. 6147 - 640

The 6147-640 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6147 caliber with 34j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-e837cfda6ebb]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1993

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