Seiko Cal. 4523 - 720

The 4523-720 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-49152b7e9bb1]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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