Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsLongines PRIMALUNA

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
PRIMALUNA
LonginesPRIMALUNA
MSRP $1,950

At a glance

22 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
PRIMALUNA30mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
PRIMALUNA40h
Water Resistance
The Humboldt GMT SAR Edition200m
PRIMALUNA30m
MSRP
The Humboldt GMT SAR Edition$2,950
PRIMALUNA$1,950

Full specifications

Case

9 specs
Category
GMT
Dress
Diameter
39.5mm
30mm
Thickness
12.5mm
8.3mm
Lug-to-Lug
46.8mm
37mm
Lug Width
20mm
7mm
Material
Grade 5 Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid screw-down
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Both sides
Dial Color
Black
Blue
Indices
Applied
Diamond indexes

Movement

8 specs
Caliber
Sellita SW330
L257.2
Type
Automatic
Quartz
Beat Rate
4 vph
25,200 vph
Power Reserve
56 hoursh
40h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$2,950
$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.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design 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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