Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsYema Navygraf Heritage

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
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Navygraf Heritage39mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Navygraf Heritage40h
Water Resistance
The Humboldt GMT SAR Edition200m
Navygraf Heritage100m
MSRP
The Humboldt GMT SAR Edition$2,950
Navygraf Heritage$990

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
39.5mm
39mm
Thickness
12.5mm
10.85mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
19mm
Material
Grade 5 Titanium
316L Stainless Steel
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
Sellita SW200
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$990

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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.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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