Seiko Cal. 4423 - 948

The 4423-948 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-fa118e5bcb7a]

Also known as: Tuna, Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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