Seiko Cal. 4598 - 636

The 4598-636 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-0daeedf7483d]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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