Seiko Cal. 4520 - 354

The 4520-354 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-ca7f022c024d]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1988

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