Seiko Cal. 5640 - 368

The 5640-368 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-82345a7fda40]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1986

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