Side by side

Filippo Loreti Watches Neptune AutomaticvsSeiko Prospex Sea Save the Ocean Special Edition

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

Add a watch
Neptune Automatic
Filippo Loreti WatchesNeptune Automatic
MSRP $260
See the full Neptune Automatic
Prospex Sea Save the Ocean Special Edition
SeikoProspex Sea Save the Ocean Special Edition
MSRP $650
See the full Prospex Sea Save the Ocean Special Edition
Buy from Filippo Loreti Watches ↗
Buy used on eBay ↗
Buy from Seiko ↗
Buy used on eBay ↗

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

11 of 29 specs differ
Diameter
Neptune Automatic43mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Neptune Automatic41h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Neptune Automatic200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Neptune Automatic$260
Prospex Sea Save the Ocean Special Edition$650

Full specifications

Case

5 specs
Category
—
Diver
Diameter
43mm
43.8mm
Thickness
12.5mm
12.8mm
Lug-to-Lug
0mm
48.7mm
Lug Width
0mm
22mm

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH36
Seiko 4R35
Jewels
0
23

Pricing

1 specs
MSRP
$260
$650
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Tornek-Rayville TR Type 7B Blakjak
Tornek-Rayvillemicro
BlakjakBlakjak 12-hr GMT

TR Type 7B Blakjak

2 variantsBlakjak 12-hr GMT
42.5mm·Automatic·200m WR
$895MSRP
—Used
Spinnaker Hull Commander
Spinnakermicro

Hull Commander

8 watches · 32 variantsHull
42mm·Automatic·300m WR
$520MSRP
—Used
Audaz ADZ-4010
Audazmicro

ADZ-4010

4 variantsRef. adz-4010-04
43mm·Automatic·200m WR
$650MSRP
—Used
Zelos Thresher 44
Zelosmicro

Thresher 44

2 watches · 10 variantsThresher
44mm·Automatic·500m WR
$549MSRP
—Used
Islander Islander Ice Blue Waffle Dial Automatic Dive Watch with AR DD Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-67
Islandermicro
Dive Watches Guide

Islander Ice Blue Waffle Dial Automatic Dive Watch with AR DD Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-67

7 watches · 7 variantsDive Watches Guide
42mm·Automatic·200m WR
$429MSRP
—Used
Borealis Watch Co. Jamanta
Borealis Watch Co.micro

Jamanta

5 variantsJamanta
42.5mm·Automatic·300m WR
$415MSRP
—Used
Zelos Great White 43
Zelosmicro

Great White 43

3 variantsGreat White
43mm·Automatic·300m WR
$599MSRP
—Used
Spinnaker Dumas Automatic
Spinnakermicro

Dumas Automatic

2 watches · 20 variantsDumas
44mm·Automatic·300m WR
$239MSRP
—Used
All alternatives to the Neptune Automatic →All alternatives to the Prospex Sea Save the Ocean Special Edition →
Explore the full catalog
DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Seiko Prospex Sea Save the Ocean Special EditionvsTornek-Rayville TR Type 7B BlakjakIslander Black Dial Automatic Dive Watch with DLC Case and Bracelet, AR Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-34vsSeiko Prospex Sea Save the Ocean Special EditionBOLDR Supply Co. Odyssey PG1954vsSeiko Prospex Sea Save the Ocean Special EditionMicromilspec The U.S. Space Force WatchvsSeiko Prospex Sea Save the Ocean Special EditionFilippo Loreti Watches Neptune AutomaticvsZelos Great White 43Filippo Loreti Watches Neptune AutomaticvsZelos Hammerhead V3 300m Titanium
Edit this comparisonAdd another watchExplore more 42–45mm watches