Seiko Cal. 4520 - 225

The Seiko 4520-225 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-d62c2211ac72]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1984

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