Seiko Cal. 4452 - 999

The Seiko 4452-999 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-8c9f225b1ca6]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

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