Seiko Cal. 5644 - 343

The 5644-343 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-7aa33bf49955]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

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