Seiko Cal. 4430 - 742

The Seiko 4430-742 represents an important milestone in Seiko's 1986 lineup. Powered by the 4430 caliber with 19j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-b9920baab5f3]

Also known as: Turtle, UFO

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1986

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