Side by side

Lorier Neptune SIVvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

11 of 29 specs differ
Diameter
Neptune SIV39mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Neptune SIV40h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Neptune SIV200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Neptune SIV$599
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

3 specs
Diameter
39mm
44mm
Thickness
13mm
Lug-to-Lug
49.3mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Standard
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
8L35
Power Reserve
40h
50h
Jewels
25
26

Pricing

1 specs
MSRP
$599
$3,300

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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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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