Seiko Cal. 3831 - 569

The Seiko 3831-569 represents an important milestone in Seiko's 1973 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-adade219f619]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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