Side by side

Oak & Oscar The Humboldt GMTvsZelos Helmsman 3

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

The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175
Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Helmsman 340mm
Power Reserve
The Humboldt GMT56 hoursh
Helmsman 340h
Water Resistance
The Humboldt GMT200m
Helmsman 3200m
MSRP
The Humboldt GMT$2,175
Helmsman 3$529

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
40mm
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
SS - Frost
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
Miyota 9015
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$529

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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

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

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