Seiko Cal. 4442 - 420

The 4442-420 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4442 caliber with 18j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-6b5c596b8e0b]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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