The Titanium Field GuidePicks of the month

San Martin Original Design Titanium Diver SN027-T1

The San Martin Original Design Titanium Diver SN027-T1 is a 43 mm Grade 5 titanium dive watch with a Sellita SW200-1 automatic movement.

All San Martin watchesDiver watchesUnder $500MicrobrandGrade 5 titanium
Price
$435
Material
Titanium
Grade / type
Grade 5
Water resistance
200 m
Type
Diver
Case diameter
43.0 mm
Origin
China
Movement
Automatic
Caliber
Sellita SW200-1
Complications
Date
Colour
Grey
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Crystal
Sapphire
Dial
Black (enamel)
Dial colours
Black
Availability
Offered
Status
Current (between batches): sold out on sanmartinwatches.com, the maker's store, which still lists it and calls it a limited edition without giving a size (read 2026-10-22)
Not published
Reference, Thickness, Lug-to-lug, Weight, Power reserve, Hardness, Construction, Surface treatment, Caseback, Bracelet / strap, Matching bracelet, Display back, Lume
Medium confidence Verified Jul 2026 Source: San Martin SN027-T1 Spec checksPrice Oct 2026 high
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Similar watches

Alternatives to the San Martin Original Design Titanium Diver SN027-T1

More watches from San Martin

Frequently asked questions

What grade of titanium is the San Martin Original Design Titanium Diver SN027-T1?

Grade 5, from a secondary source. The guide has not yet read the grade on the maker's own page.

What size is the San Martin Original Design Titanium Diver SN027-T1?

The case is 43 mm across. It is water resistant to 200 m.

How much does the San Martin Original Design Titanium Diver SN027-T1 cost, and is it available?

It is in production, at a list price of $435.

All San Martin watches · Diver watches · All 1,960 watches

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

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

Report an error on this page · how corrections work