Loresum LS05vsLongines Master Collection

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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.

LS05

Master Collection
Diameter
39.5mm
38.5mm
Lug-to-Lug
46.5mm
44.9mm
lowest
Thickness
9mm
lowest
10.2mm
Water Resistance
50m
highest
30m
Power Reserve
40h
72h
highest
MSRP
n/a
$2,850
Movement
Miyota 9015
L893.5
Case
5 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Loresum LS05 for its elegant dial execution, particularly the aventurine and Great Wave designs, and its attractive dimensions, including a thin profile. The moonphase complication is a significant draw, with many finding it a compelling feature at its price point, and the overall finishing is considered well done. However, some owners find the watch too dressy for everyday wear, and the included strap is noted as being of low quality. One owner reported excellent customer service for a repair. The Miyota 9015 movement is standard, with its moonphase cycle drifting over time and reversing lunar waxing/waning. On balance, owners rate the Loresum LS05 highly for its visually striking dials and value proposition, especially for its moonphase complication.
Owners widely praise the LONGINES MASTER COLLECTION for its attractive looks, heritage, and value, with many appreciating its manageable size for smaller wrists. One owner highlights the mesmerizing legibility and versatility of the moonphase chronograph complete calendar model, while another singles out the blue hands on the World Timer. A noted trade-off is the 30m water resistance, which limits wearability to indoor environments. On balance, owners rate the LONGINES MASTER COLLECTION highly for its aesthetic appeal and value, despite the water resistance limitations.
The classic aesthetic of the dial and case is a shared strength. Limited 30m water resistance is a shared weakness.
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