Seiko Cal. 5221 - 973

Released in 1967, the Cal. 5221 with design code 973 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-1ce8ce530e17]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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