Seiko Cal. 4420 - 258

The 4420-258 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-ff1eb82b7108]

Also known as: Shogun, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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