Seiko Cal. 3817 - 550

The Seiko 3817-550 represents an important milestone in Seiko's 1998 lineup. Powered by the 3817 caliber with 34j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-81bfd2e27aa5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1998

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