Seiko Cal. 4420 - 350

The Seiko 4420-350 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-442e4c7ee2b9]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1966

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