Seiko Cal. 4423 - 511

The 4423-511 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-620f40c1691c]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1986

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