Seiko Cal. 4523 - 643

The 4523-643 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-4a7144d8da47]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1984

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