Seiko Cal. 3813 - 213

The Seiko 3813-213 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-0a61bc77d3ff]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

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