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 $356
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

9 of 29 specs differ
Diameter
Promaster Professional Diver45mm
Neptune SIV39mm
Power Reserve
Promaster Professional Diver40h
Neptune SIV40h
Water Resistance
Promaster Professional Diver200m
Neptune SIV200m
MSRP
Promaster Professional Diver$356
Neptune SIV$599

Full specifications

Case

4 specs
Diameter
45mm
39mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Blue
Standard

Movement

2 specs
Caliber
E168
Type
Solar
Automatic

Pricing

1 specs
MSRP
$356
$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 noted for its substantial 52.5mm diameter and nearly 22mm thickness, making it impractical for daily wear. Its technical aesthetic is characterized by sharp lines, an aggressive bezel, and prominent numerals, with Duratect MRK and DLC coatings providing enhanced hardness and scratch resistance. The BN1024-01E variant features a gray-black gradient dial, a 300-meter depth rating, and an Eco-Drive E365 movement with a 365-day power reserve and end-of-life indicator, complemented by a helium escape valve and a 4mm anti-reflective sapphire crystal. On balance, the Citizen Promaster Professional Diver is recognized for its robust construction and technical specifications, though its large size limits its wearability.

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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