Seiko Cal. 4552 - 733

The Seiko 4552-733 represents an important milestone in Seiko's 1976 lineup. Powered by the 4552 caliber with 21j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-31e2d771ebef]

Also known as: Monster, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1976

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