Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsEcho/Neutra Rivanera Piccolo

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Rivanera Piccolo33mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Rivanera Piccolo40h
Water Resistance
The Humboldt GMT SAR Edition200m
Rivanera Piccolo100m
MSRP
The Humboldt GMT SAR Edition$2,950
Rivanera Piccolo$1,640

Full specifications

Case

8 specs
Category
GMT
Diameter
39.5mm
33mm
Thickness
12.5mm
6.9mm
Lug-to-Lug
46.8mm
46mm
Material
Grade 5 Titanium
Titanium Grade 5
Finish
Brushed and polished
Polished + Sandblasted
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Guilloché Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
Sellita SW1000
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$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.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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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