Lum-Tec Combat B71vsSquale 1521
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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.

Combat B71

1521
Diameter
43mm
42mm
Lug-to-Lug
51.5mm
n/a
Thickness
13.6mm
12.5mm
lowest
Water Resistance
200m
500m
highest
Power Reserve
n/a
38h
MSRP
$595
lowest
$1,265
Movement
Ronda 515
Sellita SW200-1
Case
6 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Lum-Tec Combat B71 for its exceptionally bright and effective MDV lume, rugged build quality, and unique Cali dial design. Reviewers and owners alike highlight the legible dials, with some appreciating the 24-hour display. One owner noted the DLC coating appears very durable. However, some find the 43mm case size too large, and a few users suggest the hands are too short and the date window could be better integrated. One owner experienced a movement failure shortly after purchase, though this was resolved by the company. Overall, owners rate the Lum-Tec Combat B71 highly for its robust construction and outstanding lume at its price point.
Owners widely praise the Squale 1521 for its classic look and robust build, with specific mentions of its wearable 12.5mm thickness and refined case finishing. The 42mm case is noted by some to wear smaller, closer to 40mm, due to short lugs, feeling solid without being too large. However, opinions on the bracelet vary, with some finding it too flashy or stiff, and one owner reported moisture ingress after a shower due to a loose case back. The crown can be difficult to operate due to deep integration, and the 38-hour power reserve is considered old-school but reliable. Overall, owners rate the Squale 1521 highly for its classic design and wearability, despite some reservations about the bracelet and crown.
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