Seiko Cal. 4423 - 182

The 4423-182 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-dc35ed066b72]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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