Side by side

Lorier Hydra SIIIvsLongines PRIMALUNA

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

Hydra SIII
LorierHydra SIII
MSRP $699
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,950

At a glance

20 of 29 specs differ
Diameter
Hydra SIII39mm
PRIMALUNA30mm
Power Reserve
Hydra SIII40h
PRIMALUNA40h
Water Resistance
Hydra SIII200m
PRIMALUNA30m
MSRP
Hydra SIII$699
PRIMALUNA$1,950

Full specifications

Case

8 specs
Category
Diver
Dress
Diameter
39mm
30mm
Thickness
8.3mm
Lug-to-Lug
37mm
Lug Width
20mm
7mm
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
L257.2
Type
Automatic
Quartz
Beat Rate
28,800 vph
25,200 vph
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$699
$1,950

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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 Hydra SIII

Owners and reviewers praise the Lorier Hydra SIII for its value, GMT functionality via the Miyota 9075 movement, and classic travel-diver aesthetics. Some reviewers note the finishing is simple or a tad rough around the edges, while others find it good for the price. Accuracy figures range from +7 to +8.5 seconds per day. The domed Hesalite crystal may exhibit distortion. Overall, owners and reviewers rate the Lorier Hydra SIII highly for its feature set and value proposition in a travel-diver format.

Longines PRIMALUNA

Owners widely praise the Longines PRIMALUNA for its attractive style and understated 26.5mm size, with some preferring the automatic for its craftsmanship and heirloom quality. The redesigned 34mm model features an automatic movement, date complication, and polished case design, available in steel or bi-metal with various dial and strap options. Accuracy averages a loss of 1.3 seconds per day across six positions, running 3-4 seconds slower on the wrist, which is within COSC standards. Prices range from EUR 2,850 to EUR 6,600. Overall, owners rate the Longines PRIMALUNA highly for its appealing design and reliable automatic movement.

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