Perpetual Motion Log-type Case Sapphire

Product information:
Colors: Round-edged clear base–36mm, serrated-edge clear base–36mm, beveled-edge clear base–36mm, beveled-edge steel base–36mm, serrated-edge steel base–36mm, round-edged steel base–36mm, hollow tube with a 5-bead band–36mm, hollow tube with a 3-bead band–36mm
Case material: Stainless steel case,
Sapphire crystal, available with either a see-through or solid case back
Case dimensions: 36mm × 11.5mm