Seiko Cal. 5224 - 637

Released in 1993, the Cal. 5224 with design code 637 was part of Seiko's domestic market collection. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-e17732af71ef]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1993

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