Seiko Cal. 3817 - 233

The 3817-233 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6061f9d9ea6a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1966

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