Side by side

Bremont Isle of Man TT Limited EditionvsSeestern S446 GMT

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

Isle of Man TT Limited Edition
BremontIsle of Man TT Limited Edition
MSRP $6,600
S446 GMT
SeesternS446 GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Isle of Man TT Limited Edition43mm
S446 GMT39.5mm
Power Reserve
Isle of Man TT Limited Edition40h
S446 GMT41hh
Water Resistance
Isle of Man TT Limited Edition
S446 GMT100m
MSRP
Isle of Man TT Limited Edition$6,600
S446 GMT$299

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
39.5mm
Thickness
15.8mm
13mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Water Resistance
100m

Crystal & Dial

2 specs
Crystal Shape
Flat
Domed
Dial Color
White
Cream

Movement

5 specs
Caliber
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$6,600
$299

Follow this matchup

Get a note when Bremont Isle of Man TT Limited Edition vs Seestern S446 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.

Bremont Isle of Man TT Limited Edition

Some enthusiasts find the speedometer dial gimmicky and tacky. The Bremont Isle of Man TT Limited Edition is a 43mm chronograph with a Trip-Tick case and a chronometer-certified BE-50AV movement offering a 56-hour power reserve. Overall, owners and reviewers find the speedometer dial to be a polarizing design element.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

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.