Seiko Cal. 4421 - 787

The Seiko 4421-787 represents an important milestone in Seiko's 1985 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-4feb5b9180b8]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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