Seiko Cal. 5273 - 451

Released in 1978, the Cal. 5273 with design code 451 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ec06eb3aaa83]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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