Seiko Cal. 3820 - 781

The 3820-781 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-630699256ca3]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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