QC should review the white dial pattern, day/date/month windows, moonphase, 24-hour display and hand alignment in straight-on images. The proof should also show the polished-to-brushed bezel transition, crown, black strap attachment, deployant clasp and caseback. These checks confirm that the neutral palette is supported by clean execution across both the dial and the parts that frame it.
The black strap is also a useful wardrobe decision. It keeps the outer edge of the watch visually calm, leaving the white dial and calendar arrangement to provide the contrast. That balance makes this version easier to rotate through formal and casual settings than a more strongly colored strap configuration. It gives the display room to remain the first thing noticed when the watch is viewed across a room or under a jacket cuff. The result feels composed rather than overly decorative.
This is the 5726 for a buyer who wants the annual-calendar display to do the talking. The white pattern opens the dial visually, while black at the strap and clasp provides a firm boundary around it. In practical terms, that means the watch can move from a dark suit to a knit polo without a competing color story. The strap should meet the case cleanly, with no visible twist at the lugs, and the deployant should sit centered when closed. Those details matter because the configuration depends on a crisp separation between the light dial and dark wrist contact.