IWC Schaffhausen Portugieser Grande ComplicationvsSugess MoonPhase Master Chronograph SU1908

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Portugieser Grande Complication

MoonPhase Master Chronograph SU1908
Diameter
45mm
40mm
Thickness
16.5mm
12mm
lowest
Water Resistance
30m
50m
highest
Power Reserve
44h
highest
41h
MSRP
n/a
$220
Movement
79091
Seagull ST19xx (6497/6498 family)
Case
7 specsMovement
7 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the IWC Schaffhausen Iw377601 Portugieser Grande Complication's impressive complications, including a 400-year calendar and a highly accurate moon phase. The watch is frequently described as a grail piece, with many admiring its technical complexity and elegant yet tough appearance. Some owners specifically highlight IWC's raised indices as superior. However, a few find the dial appears plasticky, and some users note the watch looks large on the wrist, with one owner deeming it feminine and disliking the lug design. Setting the perpetual calendar is also noted as complex. Overall, owners rate the IWC Schaffhausen Iw377601 Portugieser Grande Complication highly for its remarkable complications and grail-worthy appeal.
Owners widely praise the Sugess MoonPhase Master Chronograph SU1908 for its impressive aesthetics and build quality, with one owner calling it a quality piece and another stating it set high expectations. The watch is considered a great value, with owners reporting prices around $114-$120. Accuracy averages -6 seconds per day, attributed to Sugess's regulation. The ST19xx movement is described as snappy, though chronograph pushers are initially stiff. One owner notes the moon display is unflawed. The push-pull crown only operates hand-winding and time setting, and moonphase/date adjusters require a tool. One owner reported an eccentric rotating chronograph start issue, while another had the minute register hand detach after a drop, which was easily fixed by a watchmaker. The watch is described as thick and wearability depends on the strap. Overall, owners rate the Sugess MoonPhase Master Chronograph SU1908 highly for its impressive aesthetics and value at the price point.
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