Side by side

Boldr Expedition EnigmathvsEcho/Neutra Rivanera Piccolo

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640

At a glance

13 of 29 specs differ
Diameter
Expedition Enigmath41mm
Rivanera Piccolo33mm
Power Reserve
Expedition Enigmath42h
Rivanera Piccolo40h
Water Resistance
Expedition Enigmath200m
Rivanera Piccolo100m
MSRP
Expedition Enigmath$599
Rivanera Piccolo$1,640

Full specifications

Case

7 specs
Category
Tool
Diameter
41mm
33mm
Thickness
12.8mm
6.9mm
Lug-to-Lug
47.5mm
46mm
Material
Stainless Steel
Titanium Grade 5
Finish
Brushed and polished
Polished + Sandblasted
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039,
Sellita SW1000
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$1,640

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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.

Echo/Neutra Rivanera Piccolo

The Echo/Neutra Rivanera Piccolo is praised for its charming and impressive design, featuring a lightweight 26mm grade 5 titanium case with a sandblasted finish and polished edges. It is powered by an automatic Sellita SW1000 elaboré grade movement with a 46-hour power reserve and is available with an ultra-black Musou Black dial option. One reviewer suggested removing the date for a cleaner dial, while both sources note the straps lack a quick-release system. Overall, reviewers highlight the Rivanera Piccolo's distinctive design and titanium construction as its primary strengths.

From video reviewers

The thin 6.9mm case is a standout feature. Reviewers noted the Grade 5 titanium case construction. No shared weaknesses were identified.

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