Side by side

Echo/Neutra Rivanera PiccolovsSugess Seestern S446 GMT

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

Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

14 of 29 specs differ
Diameter
Rivanera Piccolo33mm
Seestern S446 GMT40mm
Power Reserve
Rivanera Piccolo40h
Seestern S446 GMT41h
Water Resistance
Rivanera Piccolo100m
Seestern S446 GMT100m
MSRP
Rivanera Piccolo$1,640
Seestern S446 GMT$269

Full specifications

Case

7 specs
Category
GMT
Diameter
33mm
40mm
Thickness
6.9mm
10mm
Lug-to-Lug
46mm
47mm
Lug Width
20mm
19mm
Material
Titanium Grade 5
Stainless Steel
Finish
Polished + Sandblasted
Brushed and polished

Crystal & Dial

2 specs
Dial Color
Guilloché Black
Black
Lume
None
Tritium

Movement

4 specs
Caliber
Sellita SW1000
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$1,640
$269

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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.

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.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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