Seiko Cal. 4520 - 898

This Spring Drive model from 1965 features a 40mm Two-Tone case. It features a Cream dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-0fe6356d8f3c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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