Seiko Cal. 3833 - 221

The 3833-221 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3833 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-e55ea8dc666a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1986

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