Seiko Cal. 4452 - 802

This Spring Drive model from 1976 features a 46mm Stainless Steel case. Powered by the 4452 caliber with 22j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5703d54dd04a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1976

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