Seiko Cal. 4442 - 387

The 4442-387 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4442 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-492f57ab0cf8]

Also known as: Helmet, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1968

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