Seiko Cal. 4520 - 998

This Automatic model from 1984 features a 40mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-0bc76c6bd0c5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1984

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