Seiko Cal. 4539 - 423

The 4539-423 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-91e291cb64ab]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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