Seiko Cal. 5665 - 636

The 5665-636 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-bd7dc993b5fd]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1965

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