Seiko Cal. 3833 - 636

The 3833-636 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3833 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-fc5211570692]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1981

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