Boldr Venture UmbravsLum-Tec Super Combat B5

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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.

Boldr Venture Umbra at true scale

Venture Umbra

Lum-Tec Super Combat B5 at true scale

Super Combat B5

Diameter

44mm

45mm

Lug-to-Lug

44mm

n/a

Thickness

12mm

n/a

Water Resistance

200m

300m

highest

Power Reserve

n/a

60h

MSRP

$399

lowest

$2,395

Movement

Miyota 8217

Sellita SW261-1

Case

5 specs
Diameter
44mm
45mm
Thickness
12mm
n/a
Lug-to-Lug
44mm
n/a
Lug Width
20mm
n/a
Water Resistance
200m
300m

Crystal & Dial

1 specs
AR Coating
Yes
n/a

Movement

2 specs
Caliber
Miyota 8217
Sellita SW261-1
Power Reserve
0h
60h

Pricing

1 specs
MSRP
$399
$2,395
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Boldr Venture Umbra

Owners widely praise the Boldr Venture Umbra for its lightweight titanium case, legible dial, and excellent lume, with many highlighting its value at its price point and 200m water resistance. Some owners appreciate the angular case design and matte finish, while others find the flat dial uninteresting. The included NATO strap is frequently described as mediocre or poor quality. One owner noted that the screw-down crown threads were less smooth than expected, and another experienced crown wobble. The Miyota 8217 movement is considered basic by some, and the watch lacks a date complication. Overall, owners rate the Boldr Venture Umbra highly for its durable, lightweight titanium construction and strong value proposition.

Lum-Tec Super Combat B5

Owners recommend the Lum-Tec Super Combat B5 if the design appeals, citing very good build quality and a rugged feel. One owner experienced a movement failure within a week but received a prompt replacement. The watch's design is considered original by some, though its 45mm case can present a "big-and-thick" presence. On balance, owners value the Lum-Tec Super Combat B5 for its unique design and robust construction, despite the potential for early movement issues.

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