Omega® Crown (Waterproof, with split post attached), steel, thin, total length 6.45 mm Generic Crystals to fit Philip Stein The one-way pump holds the

The one-way pump holds the fluid in the well of the cap

to fit Hamilton® 18 size (hole size: 140/250 (minute/hour))

“Olympic Timer”

Please keep in mind the possibility that some changes may have to be made to the casing

crafted from stainless steel for superior durability and aesthetics

Omega® Crown (Waterproof, with split post attached), steel, thin, total length 6.45 mm Generic Crystals to fit Philip Stein The one-way pump holds theOmega Crown (Waterproof, with split post attached), steel, thin, total length 6. 45 mm Omega Steel Waterproof Crown with female post attached, thin square, diameter 4. 00 mm, fits tube 2. 00 mm, total length 6. 45 mm. Fits Omega case number 1550005 *Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega. Omega warranty does not apply to parts supplied byPerrin Supply Ltd. Using generic parts may devalue your watch.