Seiko Cal. 4591 - 577

The 4591-577 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-debdd3fdf12f]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1973

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