Seiko Cal. 4421 - 542

The Seiko 4421-542 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-54b495fc88a4]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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