BOLDR Supply Co. Enigmath SinharajavsJ&Berg B2

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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 Supply Co. Enigmath Sinharaja at true scale

Enigmath Sinharaja

J&Berg B2 at true scale

B2

Diameter

41mm

38.5mm

Lug-to-Lug

47.5mm

45.2mm

lowest

Thickness

12.8mm

10.4mm

lowest

Water Resistance

200m

highest

100m

Power Reserve

42h

42h

MSRP

$599

n/a

Movement

Miyota 9039

Miyota 9039

Case

5 specs
Diameter
41mm
38.5mm
Thickness
12.8mm
10.4mm
Lug-to-Lug
47.5mm
45.2mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
n/a
Misty Green
Lume
None
Super-Luminova

Pricing

1 specs
MSRP
$599
n/a
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Reviews

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

BOLDR Supply Co. Enigmath Sinharaja

The BOLDR Supply Co. Enigmath Sinharaja is praised for its functional slide rule bezel, operated by a screw-down crown, and its overall wearability, with owners noting its comfortable size, lightness, and readability. The watch features a visually appealing fumé dial and a sandblasted 41mm case with polished accents, powered by the Miyota 9039 automatic movement. Some owners appreciate the "two-crown coolness" and the integrated slide rule bezel, calling it a "nerd watch" and a good Japanese-movement option under $1000. The canvas strap includes steel eyelets for durability, though one owner found the floating keeper caused discomfort. On balance, owners and reviewers rate the BOLDR Supply Co. Enigmath Sinharaja highly for its unique slide rule functionality and comfortable, attractive design at its price point.

J&Berg B2

The J&Berg B2 is widely praised for its excellent wearability, legibility, and versatile, genre-busting design, featuring a slim 38.5mm Grade 5 titanium case with a sandblasted satin finish. Owners and reviewers highlight its bold, non-homage approach, quirky dial colors, and utilitarian appeal, with a sandwich dial and BGW9 lume contributing to supreme legibility. The automatic Miyota 9039 movement and 100m water resistance further underscore its tool-watch credentials. Priced at $489, it is considered to offer excellent value. Some find it less suitable for formal events. Overall, owners and reviewers rate the J&Berg B2 highly for its lightweight titanium construction and modern, legible design at the price.