Seiko Cal. 4520 - 754

The 4520-754 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-9b6f2e50dc8d]

Also known as: Sea Horse, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1989

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