Side by side

Oak & Oscar The Humboldt GMTvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

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.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
The Humboldt GMT56 hoursh
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
The Humboldt GMT200m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
The Humboldt GMT$2,175
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
44mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
49.3mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Sellita SW330-2
8L35
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
50h
Jewels
25
26

Pricing

1 specs
MSRP
$2,175
$3,300
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.

Follow this matchup

Get a note when Oak & Oscar The Humboldt GMT vs Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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