Seiko Cal. 4520 - 182

This Spring Drive model from 1975 features a 35mm Titanium case. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-f213c993f4a1]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1975

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