Seiko Cal. 5665 - 636

The 5665-636 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-08142ede45ee]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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