Side by side

Citizen Promaster Professional DivervsLorier Neptune SIV

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

Promaster Professional Diver
CitizenPromaster Professional Diver
MSRP $431
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

10 of 29 specs differ
Diameter
Promaster Professional Diver44mm
Neptune SIV39mm
Power Reserve
Promaster Professional Diver40h
Neptune SIV40h
Water Resistance
Promaster Professional Diver200m
Neptune SIV200m
MSRP
Promaster Professional Diver$431
Neptune SIV$599

Full specifications

Case

5 specs
Diameter
44mm
39mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
Super Titanium
Stainless Steel

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Standard

Movement

2 specs
Caliber
E168
Type
Solar
Automatic

Pricing

1 specs
MSRP
$431
$599

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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.

Citizen Promaster Professional Diver

The Citizen Promaster Professional Diver is a serious instrument with a robust technical appearance, featuring strong lines and an aggressive bezel. It utilizes Citizen's Duratect MRK and DLC coatings for scratch resistance. The BN1024-01E model offers a 300m depth rating and a sapphire crystal, with a 365-day power reserve from its Eco-Drive quartz movement. However, its large size, measuring 52.5mm in diameter and nearly 22mm thick, makes it unsuitable for everyday wear. One reviewer notes the absence of an orange minute hand, which is considered effective on other Promaster models. On balance, the Citizen Promaster Professional Diver is a highly capable, albeit massive, dive tool, with its scratch resistance and long power reserve being key strengths.

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.

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