Bokey TimeOS Factory “Steel King” – Leading the Chronograph Segment
Patek Philippe Nautilus 5711/1A, OS Factory top-tier upgraded version. OS heavily invested in developing a proprietary customized Cal.324 S C upgraded integrated movement, designed to replicate genuine functions, including a non-stop seconds mechanism consistent with the original model.
The movement has been improved to address common market issues such as waterproof performance, stability, and lume inconsistency. OS applies refined manufacturing standards for better overall quality control.
Key upgrades and features:
Each watch undergoes 100% waterproof testing, solving market-level water resistance inconsistencies.
Upgraded dial lume consistency: hour, minute, and marker lume now match original reference behavior.
Case and bracelet are made of exclusive 904 stainless steel, offering higher strength and durability. Case diameter: 40mm, thickness: 8.7mm.
Baton hands and stick markers consistent with original design. Horizontal embossed dial texture with clear layering. Clean layout with central seconds and date window.
Exclusive 3.3mm Cal.324SC integrated movement, highly stable with approx. 48-hour power reserve, designed for low failure rate.
Date window alignment is precisely centered, avoiding tilt or misalignment.
Crown adjustment: date is set clockwise (top-down adjustment direction), consistent with original operation logic.
Time setting uses second position pull-out crown with non-hacking seconds, matching original behavior.
Both front crystal and caseback use sapphire glass, offering clarity, scratch resistance, and premium transparency.
OS Production: Craftsmanship spirit, focused on quality.
