Seiko Cal. 3817 - 345

The Seiko 3817-345 represents an important milestone in Seiko's 1999 lineup. Powered by the 3817 caliber with 27j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-fc81e1cea0d3]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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