Seiko Cal. 4431 - 247

The 4431-247 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-87b327241a3e]

Also known as: Turtle, Monster

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1976

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