Seiko Cal. 4525 - 421

The 4525-421 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-4e1004ea84cc]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1974

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