Momentum M50 Black-IonvsSwatch Blue Grid
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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.

M50 Black-Ion

Blue Grid
Diameter
44mm
43mm
Lug-to-Lug
n/a
49mm
Thickness
14.5mm
12.7mm
lowest
Water Resistance
500m
highest
30m
MSRP
$469
$210
lowest
Movement
Miyota 2S60
Quartz
Case
6 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Momentum M50 Black-Ion for its black ion plating, 44mm case size, and outstanding lume, with one owner finding it very nice and another calling it excellent for the price. One owner noted the black-ion NATO strap was too short, while another found the 44mm case smaller than expected, though still easy to read and suitable for diving. On balance, owners rate the Momentum M50 Black-Ion highly for its value and legibility.
Owners praise the Swatch Blue Grid's compellingly elegant design for its price, with one owner highlighting the blue rubber strap as a good match for suits. Another owner found the Swatch Blue Grid suitable as a formal watch and adapted it for everyday business wear with a black strap. On balance, owners rate the Swatch Blue Grid highly for its elegant design and value as a formal or business watch.
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