Seiko Cal. 4423 - 263

The 4423-263 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-b878a9bc6081]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1988

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