Seiko Cal. 4521 - 592

The 4521-592 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-67d8f6fb7b6b]

Also known as: Bullhead, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1986

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