Seiko Cal. 3817 - 999

The Seiko 3817-999 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-52097c2078b1]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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