Seiko Cal. 4436 - 622

The 4436-622 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4436 caliber with 18j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-6c61f97222ea]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1966

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