Seiko Cal. 5665 - 631

The 5665-631 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-9f09aa6deead]

Also known as: Rally, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1967

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