Seiko Cal. 4552 - 155

The Seiko 4552-155 represents an important milestone in Seiko's 1968 lineup. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-353ec4c69fda]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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