Side by side

Seiko Essentials SolarvsLongines PRIMALUNA

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

Essentials Solar
SeikoEssentials Solar
MSRP $375
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,950

At a glance

20 of 29 specs differ
Diameter
Essentials Solar30.5mm
PRIMALUNA30mm
Power Reserve
Essentials Solar40h
PRIMALUNA40h
Water Resistance
Essentials Solar
PRIMALUNA30m
MSRP
Essentials Solar$375
PRIMALUNA$1,950

Full specifications

Case

7 specs
Diameter
30.5mm
30mm
Thickness
6.8mm
8.3mm
Lug-to-Lug
37.7mm
37mm
Lug Width
12mm
7mm
Finish
Brushed and polished
Water Resistance
Splash Resistant
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

6 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
AR Coating
Inner
Both sides
Dial Color
Black
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
V115
L257.2
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
$375
$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.

Seiko Essentials Solar

Owners find the Seiko Essentials Solar a beautiful and lightweight daily wear, particularly for its value on the grey market. One owner noted the 41mm size did not appear large in person. A single owner reported an orange stripe on a stopwatch button detached due to heat. Overall, owners rate the Seiko Essentials Solar highly for its attractive aesthetic and comfortable wearability at its price point.

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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