Seiko Cal. 6636 - 273

The 6636-273 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6636 caliber with 34j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-9b5069c7074e]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1969

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