Which is bigger, the Echo/Neutra Rivanera Piccolo or the Tornek-Rayville TR-660 Sapphire Non-date?

The Tornek-Rayville TR-660 Sapphire Non-date wears larger at 40mm versus 33mm for the Echo/Neutra Rivanera Piccolo — a 7mm difference across the dial.

Which has better water resistance, the Echo/Neutra Rivanera Piccolo or the Tornek-Rayville TR-660 Sapphire Non-date?

The Tornek-Rayville TR-660 Sapphire Non-date is rated to 200m versus 100m for the Echo/Neutra Rivanera Piccolo.

Which has a longer power reserve, the Echo/Neutra Rivanera Piccolo or the Tornek-Rayville TR-660 Sapphire Non-date?

The Tornek-Rayville TR-660 Sapphire Non-date carries a 50-hour power reserve against 40 hours on the Echo/Neutra Rivanera Piccolo.

What movement does the Echo/Neutra Rivanera Piccolo run compared to the Tornek-Rayville TR-660 Sapphire Non-date?

Both watches run automatic movements — the Echo/Neutra Rivanera Piccolo uses the Sellita SW1000 and the Tornek-Rayville TR-660 Sapphire Non-date uses the TMI NH38.

Side by side

Echo/Neutra Rivanera PiccolovsTornek-Rayville TR-660 Sapphire Non-date

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

Echo/Neutra Rivanera Piccolo

Rivanera Piccolo

MSRP $1,640

Tornek-Rayville TR-660 Sapphire Non-date

tr-660-w-sapphire-inlay-1201-non-date-3167895

At a glance

13 of 29 specs differ

Diameter

Rivanera Piccolo33mm

TR-660 Sapphire Non-date40mm

Power Reserve

Rivanera Piccolo40h

TR-660 Sapphire Non-date50h

Water Resistance

Rivanera Piccolo100m

TR-660 Sapphire Non-date200m

MSRP

Rivanera Piccolo$1,640

TR-660 Sapphire Non-date—

Full specifications

Case

7 specs

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

Guilloché Black

Black

Lume

None

Superluminova

Movement

2 specs

Caliber

Sellita SW1000

TMI NH38

Power Reserve

40h

50h

Pricing

1 specs

MSRP

$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.

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.

Fratello

Time + Tide

Tornek-Rayville TR-660 Sapphire Non-date

Owners widely praise the Tornek-Rayville TR-660 for its quality, good timekeeping, and suitability as a military diver reissue. The 40mm bead-blasted 316L stainless steel case, sapphire bezel inlay, and Arclite Super LumiNova are noted features, powered by a Japanese TMI NH38 automatic movement and water-resistant to 20 ATMs. Some owners suggest alternatives due to availability issues with the small-batch releases. Overall, owners rate the Tornek-Rayville TR-660 highly for its faithful reissue design and quality build at its price point.

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