Side by side

Oak & Oscar The Humboldt 12-hrvsLongines ULTRA‑CHRON CARBON

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

The Humboldt 12-hr
Oak & OscarThe Humboldt 12-hr
MSRP $1,750
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

21 of 29 specs differ
Diameter
The Humboldt 12-hr39.5mm
ULTRA‑CHRON CARBON43mm
Power Reserve
The Humboldt 12-hr42 hoursh
ULTRA‑CHRON CARBON52h
Water Resistance
The Humboldt 12-hr200m
ULTRA‑CHRON CARBON300m
MSRP
The Humboldt 12-hr$1,750
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

9 specs
Category
Tool
Diver
Diameter
39.5mm
43mm
Thickness
12.4mm
14mm
Lug-to-Lug
46.8mm
48.9mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid screw-down
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Double-domed
AR Coating
Underside
Both sides
Dial Color
Grey
Silver
Indices
Applied
Applied indexes

Movement

7 specs
Caliber
ETA 2892A2
L836.6
Beat Rate
4 vph
36,000 vph
Power Reserve
42 hoursh
52h
Jewels
21
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Chronograph, Date
Hours, minutes, seconds

Pricing

1 specs
MSRP
$1,750
$5,550

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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 12-hr

Oak & Oscar The Humboldt 12-hr owners widely praise its comfortable, solid bracelet with screw links and tight end-link fit, along with its awesome sandwich dial featuring superb grain and crisp details. The 12-hour bezel is noted as excellent for tracking a second time zone, and the orange second hand adds a nice pop. One owner reports the watch has outstanding quality and a perfect fit on smaller wrists, while another notes its legibility and great presence on various straps. A reviewer describes it as a 40mm stainless steel tool watch with a matte, brushed finish and a sandwich dial, powered by an ETA 2892-A2 movement with a 42-hour power reserve. Some in the line report the lume could be brighter. On balance, owners and reviewers rate Oak & Oscar The Humboldt 12-hr highly for its build quality and versatile tool-watch design.

Longines ULTRA‑CHRON CARBON

The Longines ULTRA‑CHRON CARBON is praised for its lightweight composite case and unique "Batman" aesthetic, with its 5Hz movement widely noted for exceptional accuracy. Owners widely report the high-beat movement is the cheapest 5Hz option available. Some owners find the non-rotating bezel a relief, while others consider it a deal-breaker, noting the watch is no longer a dive watch. On balance, owners and reviewers highly rate the Longines ULTRA‑CHRON CARBON for its cool, lightweight design and the exceptional accuracy of its 5Hz movement.

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