The Wristwatch Field Guide

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 $1,195 median for the category.

Exotic-material diver watchesTitaniumDiversGMTUnder $5,000
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
Nickel-free
Not verified (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) Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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

Helm Togiak Expedition UTCHelmTogiak Expedition UTC$38042.0 mm14 mm thick145 gDiversame category · same style · shared complications · similar priceAragon Divemaster Titanium GMTAragonDivemaster Titanium GMT$25045.0 mm13.6 mm thick184 gDiversame category · same style · shared complications · similar priceTandorio TD267G 42mm Titanium FXD Pelagos GMTTandorioTD267G 42mm Titanium FXD Pelagos GMT$20942.0 mmDiversame category · same style · shared complications · similar priceHamtun Kraken H3 GMTHamtunKraken H3 GMT$48341.0 mmDiversame category · same style · shared complications · similar priceThorn T012 Titanium NH34 GMT DiverThornT012 Titanium NH34 GMT Diver$23947.0 mm14.8 mm thickDiversame category · same style · shared complications · similar priceAragon Enforcer Titanium 9075 GMTAragonEnforcer Titanium 9075 GMT$42944.0 mm16 mm thick181 gDiversame category · same style · shared complications · similar price

More exotic-material watches from San Martin

San Martin SN0111-T GR5 DiverSan MartinSN0111-T GR5 Diver$38940.0 mm13.1 mm thick103 gDiverSan Martin Watchdives SN0121T Titanium 39mmSan MartinWatchdives SN0121T Titanium 39mm$27839.0 mm12.8 mm thick100.5 gDiverSan Martin SN027-T3 Grade 5 Titanium Diver 43mmSan MartinSN027-T3 Grade 5 Titanium Diver 43mm$35043.0 mm12.5 mm thick86 gDiverSan Martin Titanium Military Pilot SN030-TSan MartinTitanium Military Pilot SN030-T$19939.0 mmPilotSan Martin ETA 7753 Titanium ChronographSan MartinETA 7753 Titanium Chronograph$1,51445.0 mmChronographSan Martin Retro Titanium Diver SN0125-TSan MartinRetro Titanium Diver SN0125-T$23942.0 mmDiver

Frequently asked questions

What is the case material of the San Martin SN0121TC Titanium NH34 GMT Diver 39mm?

The San Martin SN0121TC Titanium NH34 GMT Diver 39mm has a grade 2 titanium case. This is confirmed against the maker spec.

What size is the San Martin SN0121TC Titanium NH34 GMT Diver 39mm?

It is 39.0 mm in diameter, and water resistant to 300 m.

How much does the San Martin SN0121TC Titanium NH34 GMT Diver 39mm cost, and is it available?

It is current-production and lists from $329.

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