Seiko Cal. 3820 - 437

The 3820-437 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-e11c88ae7a3d]

Also known as: Samurai, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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