Side by side

Seestern S446 GMTvsSpinnaker Fleuss 40 Automatic

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

S446 GMT
SeesternS446 GMT
MSRP $299
Fleuss 40 Automatic
SpinnakerFleuss 40 Automatic
MSRP $450

At a glance

12 of 29 specs differ
Diameter
S446 GMT39.5mm
Fleuss 40 Automatic40mm
Power Reserve
S446 GMT41hh
Fleuss 40 Automatic40h
Water Resistance
S446 GMT100m
Fleuss 40 Automatic150m
MSRP
S446 GMT$299
Fleuss 40 Automatic$450

Full specifications

Case

4 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
13mm
11mm
Water Resistance
100m
150m

Crystal & Dial

2 specs
Crystal Shape
Domed
Flat
Dial Color
Cream
Coral

Movement

5 specs
Caliber
Seiko NH34A GMT
SII NH35A
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$450

Follow this matchup

Get a note when Seestern S446 GMT vs Spinnaker Fleuss 40 Automatic 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.

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.

Spinnaker Fleuss 40 Automatic

Owners find the Spinnaker Fleuss 40 Automatic a good size for smaller wrists, though one owner notes the lume is too diffuse for easy nighttime reading. The pilot-style crown is an unusual feature for a dive watch. Overall, owners value the Spinnaker Fleuss 40 Automatic for its wearability on smaller wrists.

From video reviewers

The coral red dial is a unique aesthetic. The watch is a strong contender for best-in-class under $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.

Adjacent matchups

People also compared

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