Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsSeestern S456 GMT

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
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
S456 GMT41mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
S456 GMT41hh
Water Resistance
The Humboldt GMT SAR Edition200m
S456 GMT200m
MSRP
The Humboldt GMT SAR Edition$2,950
S456 GMT$299

Full specifications

Case

6 specs
Diameter
39.5mm
41mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
49mm
Material
Grade 5 Titanium
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Black
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
Super-LumiNova
C1

Movement

5 specs
Caliber
Sellita SW330
Seiko NH34
Beat Rate
4 vph
3 vph
Power Reserve
56 hoursh
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$2,950
$299

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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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

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