Seiko Cal. 4556 - 383

The Seiko 4556-383 represents an important milestone in Seiko's 1992 lineup. Powered by the 4556 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-b7f03f6c2dc1]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1992

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