Side by side

Citizen Promaster Geo TrekkervsLorier Neptune SIV

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
Promaster Geo Trekker53mm
Neptune SIV39mm
Power Reserve
Promaster Geo Trekker40h
Neptune SIV40h
Water Resistance
Promaster Geo Trekker1,000m
Neptune SIV200m
MSRP
Promaster Geo Trekker
Neptune SIV$599

Full specifications

Case

6 specs
Diameter
53mm
39mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
28.12mm
20mm
Material
Super Titanium
Stainless Steel
Water Resistance
1000m
200m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Black
Standard

Movement

2 specs
Caliber
J210
Type
Solar
Automatic

Pricing

1 specs
MSRP
$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 Geo Trekker

The Citizen Promaster Geo Trekker is widely praised for its sophisticated Eco-Drive technology and radio-controlled timekeeping, offering excellent time, day, and date functionality. Owners appreciate its rugged, aviation-inspired design, with a striking 46mm stainless steel case that remains easy to read and a calculator ring that serves as a conversation starter. The watch features a scratch-resistant sapphire crystal and a solid bracelet with a mix of finishes, powered by the Eco-Drive Cal. H864 movement with a 2.5-year power reserve and perpetual calendar. While the slide rule bezel is complex, the overall functionality and build quality are considered strong for its $795-$850 price point. On balance, owners and reviewers rate the Citizen Promaster Geo Trekker highly for its advanced technology and distinctive, functional design at the price.

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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