Seiko Cal. 4552 - 999

This Automatic model from 1971 features a 44mm Stainless Steel case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a730f2d05a82]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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