Seiko Cal. 3815 - 920

The Seiko 3815-920 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-a0462c45cd88]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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