Side by side

Echo/Neutra Rivanera PiccolovsSeiko Prospex Sea The Black Series

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

Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765

At a glance

15 of 29 specs differ
Diameter
Rivanera Piccolo33mm
Prospex Sea The Black Series45mm
Power Reserve
Rivanera Piccolo40h
Prospex Sea The Black Series41h
Water Resistance
Rivanera Piccolo100m
Prospex Sea The Black Series200m
MSRP
Rivanera Piccolo$1,640
Prospex Sea The Black Series$765

Full specifications

Case

8 specs
Category
Diver
Diameter
33mm
45mm
Thickness
6.9mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
20mm
22mm
Material
Titanium Grade 5
Stainless Steel
Finish
Polished + Sandblasted
Brushed and polished
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Guilloché Black
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW1000
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,640
$765

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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.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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