Each register needs to sit squarely in the dial, with the moon phase and leap-year indication placed cleanly. Hand clearance, polished case lines and crystal clarity matter because small errors show quickly on a calendar watch.
Before dispatch, our QC team reviews calendar register alignment, moon phase placement, leap-year window, hand clearance, polished case lines and crystal clarity.
A perpetual calendar earns its place when the information is enjoyable to read, not when the dial simply looks busy. IW344203 keeps the eye moving around the face: the date at three, the lower moon phase register, and the week and leap-year indication at nine. That spacing gives the watch a sense of order that suits the Portugieser design language.
The front and angled views keep the same clean geometry, while the caseback presentation and crystal clarity preserve the calendar markings at an angle. Sapphire crystals are listed front and back for this configuration.
The moon phase gives the lower half of the dial a visual anchor rather than another row of numerals. That matters on a calendar watch: the eye can find the principal indications without having to untangle the entire face. The case remains formal enough to sit under a jacket cuff, although the calendar display is plainly the reason to choose it.