Seiko Cal. 3816 - 713

The Seiko 3816-713 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-45150c2dbd41]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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