Seiko Cal. 4452 - 387

This Spring Drive model from 1969 features a 44mm Stainless Steel case. Powered by the 4452 caliber with 19j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-ecd7ab9fc5be]

Also known as: Panda, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1969

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