Seiko Cal. 4453 - 527

The Seiko 4453-527 represents an important milestone in Seiko's 1980 lineup. Powered by the 4453 caliber with 20j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-478a62cba84f]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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