Seiko Cal. 4423 - 325

The 4423-325 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-783de0d53196]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

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