Seiko Cal. 4552 - 506

The Seiko 4552-506 represents an important milestone in Seiko's 1987 lineup. Powered by the 4552 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-8ca87b22aab4]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1987

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