Seiko Cal. 4539 - 504

The 4539-504 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-0162d54b7612]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1976

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