San Martin SN0121TC Titanium NH34 GMT Diver 39mm

The San Martin SN0121TC Titanium NH34 GMT Diver 39mm is a current-production diver watch with a grade 2 titanium case. It is priced well under the $1,299 median for the category.

1 official photo · reader photos welcome

Price

$329

Material

Titanium

Grade / type

Grade 2

Water resistance

300 m

Type

Diver

Case diameter

39.0 mm

Origin

China

Movement

Automatic

Caliber

Seiko NH34

Complications

GMT

Colour

Grey

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Dial

Black and blue colourways

Dial colours

Black Blue

Availability

Offered

Status

Current

Not published

Reference, Thickness, Lug-to-lug, Weight, Power reserve, Hardness, Construction, Surface treatment, Caseback, Bracelet / strap, Matching bracelet, Crystal, Display back, Lume

High confidence Verified Jul 2026 Source: San Martin (maker)

Copy citationFacts are free to cite with a link.

Reader reviews & photosContribute photo or review

Browse all watch comparisons →

Similar watches

SeesternS462 Titanium Professional GMT Diver$25940.0 mm12 mm thick100 gDiversame category · same style · similar price · similar size

ThornTitanium Helium Valve NH34 GMT$25940.5 mmDiversame category · same style · similar price · similar sizeThornT020 42mm NH34 GMT Titanium Diver$24942.0 mmDiversame category · same style · similar price · same movementKRONOSTIVoyager Horizon GMT$25939.5 mm11.5 mm thickDiversame category · same style · similar price · similar sizeKRONOSTIDeep Explorer Aurora Titanium GMT$27138.0 mm10 mm thickDiversame category · same style · similar price · similar sizeKRONOSTIShark Shadow Diver GMT$29538.0 mm10 mm thickDiversame category · same style · similar price · similar sizeOctopus KrakenOct-10$251.4339.0 mm11.5 mm thick100 gDiversame category · similar price · similar size · same movementIXDAOJD-X02T 39mm Titanium Diver$26939.0 mm11.5 mm thickDiversame category · similar price · similar size · same movement

Alternatives to the San Martin SN0121TC Titanium NH34 GMT Diver 39mm

HelmTogiak Expedition UTC$38042.0 mm14 mm thick145 gDiversame category · same style · shared complications · similar priceAragonDivemaster Titanium GMT$25045.0 mm13.6 mm thick184 gDiversame category · same style · shared complications · similar priceTandorioTD267G 42mm Titanium FXD Pelagos GMT$20942.0 mmDiversame category · same style · shared complications · similar priceThornT015 Titanium GMT Diver$21947.0 mm14.2 mm thickDiversame category · same style · shared complications · similar priceThornT012 Titanium NH34 GMT Diver$23947.0 mm14.8 mm thick81 gDiversame category · same style · shared complications · similar priceAragonEnforcer Titanium 9075 GMT$42944.0 mm16 mm thick181 gDiversame category · same style · shared complications · similar price

More watches from San Martin

San MartinSN0111-T GR5 Diver$38940.0 mm13.1 mm thick103 gDiverSan MartinWatchdives SN0121T Titanium 39mm$27839.0 mm12.8 mm thick100.5 gDiverSan MartinSN027-T3 Grade 5 Titanium Diver 43mm$35043.0 mm12.5 mm thick86 gDiverSan MartinTitanium Military Pilot SN030-T$19939.0 mmPilotSan MartinETA 7753 Titanium Chronograph$1,51445.0 mmChronographSan MartinRetro Titanium Diver SN0125-T$23942.0 mmDiver

All San Martin watches · Watch diver watches · All 1,600 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions

Report an error on this page · how corrections work