Seiko Cal. 4453 - 632

The Seiko 4453-632 represents an important milestone in Seiko's 1971 lineup. Powered by the 4453 caliber with 19j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-8cfcd151f14c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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