Seiko Cal. 4437 - 242

The 4437-242 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4437 caliber with 34j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-c250b90cea5a]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

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