Side by side

Boldr Expedition EnigmathvsWolbrook Skindiver II Professional

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Skindiver II Professional
WolbrookSkindiver II Professional
MSRP $539

At a glance

12 of 29 specs differ
Diameter
Expedition Enigmath41mm
Skindiver II Professional40mm
Power Reserve
Expedition Enigmath42h
Skindiver II Professional40h
Water Resistance
Expedition Enigmath200m
Skindiver II Professional200m
MSRP
Expedition Enigmath$599
Skindiver II Professional$539

Full specifications

Case

5 specs
Category
Tool
Diver
Diameter
41mm
40mm
Thickness
12.8mm
13mm
Lug-to-Lug
47.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039,
Miyota 9015
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$539

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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.

Wolbrook Skindiver II Professional

Owners widely praise the Wolbrook Skindiver II Professional for its comfortable wearability, long-lasting lume, and attractive dial designs, with some appreciating the quartz accuracy and smooth sweeping second hand. The watch features a 40mm diameter, a well-weighted 120-click unidirectional countdown bezel with a BGW9 lumed triangle, and a shock-resistant HexapleX case architecture. It is powered by either a Miyota 9015 or 8315 movement, with the latter adjusted in France to ±15 seconds per day and offering a 60-hour power reserve. Some owners find the 20mm strap potentially problematic and note it wears like a 42mm watch despite its 40mm case size. One reviewer expressed disappointment in hand color matching, poor lume, bezel wobble, and the watch sitting high on its strap, ultimately not recommending it.

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