Seiko Cal. 3813 - 444

The 3813-444 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-d53fec514c0e]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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