Seiko Cal. 5220 - 231

Released in 1986, the Cal. 5220 with design code 231 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-2e7d68fdc850]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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