Seiko Cal. 6646 - 274

The 6646-274 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6646 caliber with 19j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-7f425c98e65a]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1988

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