Seiko Cal. 4420 - 198

The 4420-198 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-438d1775f84c]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1967

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