Seiko Cal. 4552 - 155

The Seiko 4552-155 represents an important milestone in Seiko's 1969 lineup. Powered by the 4552 caliber with 18j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-62086882a775]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1969

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