Seiko Cal. 4421 - 995

The Seiko 4421-995 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-b61f68da6ad5]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1973

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