Side by side

Boldr Expedition EnigmathvsLum-Tec Solar Marine

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

12 of 29 specs differ
Diameter
Expedition Enigmath41mm
Solar Marine39mm
Power Reserve
Expedition Enigmath42h
Solar Marine40h
Water Resistance
Expedition Enigmath200m
Solar Marine300m
MSRP
Expedition Enigmath$599
Solar Marine$463

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
41mm
39mm
Thickness
12.8mm
10.7mm
Lug-to-Lug
47.5mm
43.5mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
200m
300m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Steel
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039,
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$463

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What people say

Owners + reviewers, side by side

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

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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