Seiko Cal. 4420 - 238

Released in 1974, the Cal. 4420 with design code 238 was part of Seiko's domestic market collection. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-20ab5cc1aa2b]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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