Seiko Cal. 4452 - 310

The Seiko 4452-310 represents an important milestone in Seiko's 1966 lineup. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-dffc4db35e2f]

Also known as: Monster, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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