JayBD, Author at RK Watch Service https://rkwatchservice.com/author/jaybd/ Watch Repair & Restoration Service Fri, 08 Aug 2025 16:13:55 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://rkwatchservice.com/wp-content/uploads/2024/03/cropped-RK-Watch-Service-Logo-Chicago-Watch-Repair-Web-32x32.png JayBD, Author at RK Watch Service https://rkwatchservice.com/author/jaybd/ 32 32 Working of seals for water resistance – stem seal on Glycine Combat Sub https://rkwatchservice.com/working-of-seals-for-water-resistance-stem-seal-on-glycine-combat-sub/ Mon, 28 Jul 2025 16:59:13 +0000 https://www.watchuseek.com/threads/working-of-seals-for-water-resistance-stem-seal-on-glycine-combat-sub.5636635/ Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
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JayBD

There is much good (some great) background information on WUS re: design of water resistance systems.
My question is, when I pull the crown of the Glycine Combat Sub out (for hacking, or, back to position 1, for manual winding) the small O-ring is visi...

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]]> Watch Repair & Restoration Services in Northbrook & North Chicago Suburbs. Contact us for a free estimate at 224-213-7371. Learn more from our news blog.
RK Watch Service - Watch Repair & Restoration Service
JayBD

WatchUSeek Watch Forums WatchUSeek Watch Forums

There is much good (some great) background information on WUS re: design of water resistance systems.
My question is, when I pull the crown of the Glycine Combat Sub out (for hacking, or, back to position 1, for manual winding) the small O-ring is visible on the stem. (See photo). This seems to mean that when I am date- or time-setting, hacking, or manual winding, the O-ring's outside diameter (OD) is not contacting anything and thus not wearing.

In other watches, I believe the O-rings OD…

Working of seals for water resistance – stem seal on Glycine Combat Sub

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