Seiko Cal. 4520 - 156

The 4520-156 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-18cc3bb4a7d8]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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