Seiko Cal. 4520 - 416

This Spring Drive model from 1981 features a 38mm Two-Tone case. It features a Champagne dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-4a303f60b1cf]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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