Seiko Cal. 4552 - 183

The Seiko 4552-183 represents an important milestone in Seiko's 1985 lineup. Powered by the 4552 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-947a72ddfd46]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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