Seiko Cal. 4552 - 305

The Seiko 4552-305 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-34dd641e2ffd]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1991

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