Oblvlo IM MechanicalvsIWC Schaffhausen Portugieser Grande Complication
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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.

IM Mechanical

Portugieser Grande Complication
Diameter
42mm
45mm
Thickness
12.5mm
lowest
16.5mm
Water Resistance
50m
highest
30m
Power Reserve
n/a
44h
MSRP
$178
n/a
Movement
Automatic
79091
Case
7 specsCrystal & Dial
2 specsMovement
6 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Oblvlo IM Mechanical for its impressive build quality, with one owner noting it still looks good after nearly eight years. The case finishing and bubble crystal are considered quite nice, and the lume is good, though the dial design is unusual with calendar functions in chronograph-style subdials. Some owners find it wears smaller than expected and is easy to read once accustomed to the dial, while others note the deep-set hour markers are difficult to see from an angle due to the crystal's curvature. Timekeeping is reported to run fast, approximately +15 to 30 seconds per day. Overall, owners rate the Oblvlo IM Mechanical highly for its unexpected build quality and distinctive aesthetic at its price point.
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.
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