Side by side

Lorier Neptune SIVvsGrand Seiko SLGA015

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

Neptune SIV
LorierNeptune SIV
MSRP $599
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

11 of 29 specs differ
Diameter
Neptune SIV39mm
SLGA01543.8mm
Power Reserve
Neptune SIV40h
SLGA015120h
Water Resistance
Neptune SIV200m
SLGA015200m
MSRP
Neptune SIV$599
SLGA015$12,600

Full specifications

Case

5 specs
Diameter
39mm
43.8mm
Thickness
13.8mm
Lug-to-Lug
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Standard
Black

Movement

3 specs
Caliber
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$599
$12,600

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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.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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