Seiko Cal. 6643 - 127

The 6643-127 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 28j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-bbfcac86b053]

Also known as: Navigator, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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