Seiko Cal. 4552 - 679

The Seiko 4552-679 represents an important milestone in Seiko's 1967 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-38ac68fefff6]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1967

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