Seiko Cal. 4591 - 635

The 4591-635 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-85daa7eb6056]

Also known as: Samurai, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

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