Side by side

Echo/Neutra Rivanera PiccolovsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

Rivanera Piccolo
Echo/NeutraRivanera Piccolo
MSRP $1,640
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 1970 Heritage Diver's Save the Ocean Special Edition

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition is praised for its beautiful design and refinement over previous models, featuring vertically textured glacier-inspired dials. Owners, however, consider the €1500 RRP too high, suggesting a price closer to €900-€1000, noting the aluminum bezel insert instead of ceramic. Some owners report the 6R movement runs slow. On balance, owners find the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition beautiful and a refinement, but the price and aluminum bezel are points of contention.

At a glance

15 of 29 specs differ
Diameter
Rivanera Piccolo33mm
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm
Power Reserve
Rivanera Piccolo40h
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h
Water Resistance
Rivanera Piccolo100m
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m
MSRP
Rivanera Piccolo$1,640
Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

7 specs
Category
Diver
Diameter
33mm
42.7mm
Thickness
6.9mm
13.2mm
Lug-to-Lug
46mm
46.4mm
Material
Titanium Grade 5
Stainless Steel
Finish
Polished + Sandblasted
Brushed and polished
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,640
$1,350
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