Seiko Cal. 6223 - 544

Released in 1966, the Cal. 6223 with design code 544 was part of Seiko's domestic market collection. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-ef75c11ef2bb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1966

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