Seiko Cal. 4421 - 953

The Seiko 4421-953 represents an important milestone in Seiko's 1984 lineup. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-124664de2cb1]

Also known as: Monster, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1984

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