Seiko Cal. 3813 - 728

The 3813-728 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-73a5febcfe55]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1986

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