Seiko Cal. 4557 - 990

The 4557-990 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-63a31822dded]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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