Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsGrand Seiko SBGM221

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
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

13 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
SBGM22139.5mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
SBGM22172h
Water Resistance
The Humboldt GMT SAR Edition200m
SBGM22130m
MSRP
The Humboldt GMT SAR Edition$2,950
SBGM221$5,400

Full specifications

Case

6 specs
Thickness
12.5mm
13.7mm
Lug-to-Lug
46.8mm
46.9mm
Lug Width
20mm
19mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
30m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
72h

Pricing

1 specs
MSRP
$2,950
$5,400

Follow this matchup

Get a note when Oak & Oscar The Humboldt GMT SAR Edition vs Grand Seiko SBGM221 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.

Grand Seiko SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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.