Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsTissot Seastar 1000 Powermatic 80 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
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
The Humboldt GMT SAR Edition200m
Seastar 1000 Powermatic 80 GMT300m
MSRP
The Humboldt GMT SAR Edition$2,950
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

7 specs
Diameter
39.5mm
46mm
Thickness
12.5mm
15.4mm
Lug-to-Lug
46.8mm
46mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Domed
AR Coating
Underside
Yes
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

3 specs
Caliber
Sellita SW330
Powermatic 80
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
80h

Pricing

1 specs
MSRP
$2,950
$1,375

Follow this matchup

Get a note when Oak & Oscar The Humboldt GMT SAR Edition vs Tissot Seastar 1000 Powermatic 80 GMT gets more votes, a community discussion, or a price drop. No account needed.

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.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.