BOLDR Supply Co.
GMT Maasai Mara
- 40 mm case, 1 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models 0.4 mm thinner case. $469 recorded MSRP, $229 higher
Watch alternatives
Alternatives to the Seestern Seestern GMT S456
Keep what you like. Explore what could be different. Compare 37 catalog matches by dimensions, movement and price.
- Case diameter
- 41 mm
- Lug-to-lug
- Not recorded
- Movement
- Automatic
- Catalog MSRP
- $240
The starting pointStarting points
Choose the differences that matter to you.
Closest catalog matchBOLDR Supply Co. GMT Maasai Mara40 mm case, 1 mm narrowerSee the match Lower recorded MSRPSeiko Conceptual SNK807K2$115 recorded MSRP, $125 lowerSee the match
Calculated from catalog specifications and similarity signals. Prices are recorded MSRP in USD, not current retail offers. Missing measurements stay unknown.
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Narrow these matches without leaving the page.
ColorwayPick a colorway to match a specific dial
37 matches
Microbrand picks· 12
Discover smaller makers with catalog similarities to this watch.
Aigi Watches
ARCTIC GMT
- Same 41 mm case diameter
- Same Seiko NH34 caliber
What changes
Compare models 1.1 mm thinner case. $560 recorded MSRP, $320 higher
Boldr
Globetrotter GMT
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case. $469 recorded MSRP, $229 higher
Jack Mason
Strat-o-timer GMT
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 0.2 mm thicker case. $1,149 recorded MSRP, $909 higher
NIMA Watches
NIMA GMT (NH34) GMT 39mm fluted-bezel applied-baton (Datejust-style)
- 39 mm case, 2 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models 0.2 mm thinner case. $679 recorded MSRP, $439 higher
Islander
Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316
- 40 mm case, 1 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models 1 mm thicker case. $379 recorded MSRP, $139 higher
Undone
Basecamp Collector
- 40 mm case, 1 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models $695 recorded MSRP, $455 higher
Zelos
Spearfish GMT
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models $1,049 recorded MSRP, $809 higher
Charlie Paris Watches
CONCORDIA - GMT (40mm automatic)
- 40 mm case, 1 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models $1,200 recorded MSRP, $960 higher
Hitori
Yoshino Night Star
- 39.6 mm case, 1.4 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models 2.4 mm thinner case. $529 recorded MSRP, $289 higher
BOLDR Supply Co.
Safari GMT Banff
- 40 mm case, 1 mm narrower
- Same Seiko NH34 caliber
What changes
Compare models 0.3 mm thinner case. $469 recorded MSRP, $229 higher
Nodus
Contrail GMT
- 40.5 mm case, 0.5 mm narrower
- Both use automatic movements
What changes
Compare models 1.2 mm thinner case. $900 recorded MSRP, $660 higher
Mainstream picks· 12
Established-brand matches. Compare the recorded dimensions, movement and price for each watch.
Orient
Diver Watch
- 41.5 mm case, 0.5 mm wider
- Both use automatic movements
What changes
$310 recorded MSRP, $70 higher
Orient
AC0Q-40 Diver Watch
- 39.9 mm case, 1.1 mm narrower
- Both use automatic movements
What changes
0.2 mm thinner case. $370 recorded MSRP, $130 higher
Seiko
5 Sports SKX series 2024 Special Edition
- 42.5 mm case, 1.5 mm wider
- Both use automatic movements
What changes
0.4 mm thicker case. $375 recorded MSRP, $135 higher
Orient
75th Anniversary RA-TX0210L10B
- 42.8 mm case, 1.8 mm wider
- Both use automatic movements
What changes
$375 recorded MSRP, $135 higher
Timex
Pan Am x Timex Waterbury Automatic Ace 41mm
- Same 41 mm case diameter
- Both use automatic movements
What changes
$359 recorded MSRP, $119 higher
Seiko
DressKX
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
1.5 mm thinner case. $315 recorded MSRP, $75 higher
Invicta
Pro Diver 8927OB
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Seiko
5KX
- 42.5 mm case, 1.5 mm wider
- Both use automatic movements
What changes
1.2 mm thicker case. $400 recorded MSRP, $160 higher
Citizen
Tsuyosa
- 37 mm case, 4 mm narrower
- Both use automatic movements
What changes
$356 recorded MSRP, $116 higher
Invicta
Pro Diver 5053OBXL
- 43 mm case, 2 mm wider
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Citizen
Tsuyosa 60
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
$431 recorded MSRP, $191 higher
Invicta
Pro Diver 5053
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Lug-to-lug is not recorded for this match.
Cheaper alternatives· 1
Matches in a lower price band. A recorded MSRP difference is shown only when both prices are known.
Seiko
Conceptual SNK807K2
- $115 recorded MSRP, $125 lower
- 37 mm case, 4 mm narrower
- Both use automatic movements
What changes
2 mm thinner case
Pricier alternatives· 12
Matches in a higher price band. Check the specifications to decide whether the differences matter to you.
Citizen
Series 8 880 GMT
- Same 41 mm case diameter
- Both use automatic movements
What changes
Compare models 0.5 mm thicker case. $1,495 recorded MSRP, $1,255 higher
Seiko
Presage Style60's
- 40.8 mm case, 0.2 mm narrower
- Both use automatic movements
What changes
Compare models $650 recorded MSRP, $410 higher
NOMOS Glashütte
Club Sport neomatik Worldtimer blue
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
Compare models 3.1 mm thinner case. $5,760 recorded MSRP, $5,520 higher
Glycine
Airman Purist
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 1 mm thinner case. $2,700 recorded MSRP, $2,460 higher
Frederique Constant
Highlife Worldtimer Manufacture
- Same 41 mm case diameter
- Both use automatic movements
What changes
Compare models $4,795 recorded MSRP, $4,555 higher
Glycine
Airman Contemporary GMT
- 44 mm case, 3 mm wider
- Both use automatic movements
What changes
Compare models 0.6 mm thinner case. $2,850 recorded MSRP, $2,610 higher
Fortis
Marinemaster M-40
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
$3,960 recorded MSRP, $3,720 higher
Glycine
Airman GMT
- 42 mm case, 1 mm wider
- Both use automatic movements
What changes
Compare models 1 mm thinner case. $2,500 recorded MSRP, $2,260 higher
Movado
Series 800 Automatic
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
$1,895 recorded MSRP, $1,655 higher
Grand Seiko
SBGR321
- 40 mm case, 1 mm narrower
- Both use automatic movements
What changes
$5,200 recorded MSRP, $4,960 higher
TAG Heuer
Carrera Date Twin Time
- Same 41 mm case diameter
- Both use automatic movements
What changes
Compare models 0.4 mm thinner case. $5,150 recorded MSRP, $4,910 higher
Longines
HYDROCONQUEST GMT
- Same 41 mm case diameter
- Both use automatic movements
What changes
$3,350 recorded MSRP, $3,110 higher
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