San Martin Watchdives SN0121T Titanium 39mm

The San Martin Watchdives SN0121T Titanium 39mm is a 39 mm Grade 5 titanium dive watch with a Seiko NH35 automatic movement.

5 official photos · reader photos welcome

Price

$278

Material

Titanium

Grade / type

Grade 5 (bracelet Grade 2)

Weight

100.5 g

Water resistance

300 m

Type

Diver

Case diameter

39.0 mm

Thickness

12.8 mm

Lug-to-lug

47 mm

Origin

China

Movement

Automatic

Caliber

Seiko NH35

Power reserve

~41 h

Complications

Date

Colour

Grey

Surface treatment

None; ceramic bezel

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Titanium

Crystal

Sapphire, AR coated

Display back

No

Dial

Black, blue or white, each with or without a date window

Dial colours

Black White Blue

Lume

Super-LumiNova BGW9

Availability

Offered

Status

Current (between batches): sold out on watchdives.com, the co-issuer's store, which still lists it (read 2026-10-11)

Not published

Reference, Hardness, Construction, Caseback, Matching bracelet

High confidence Verified Jun 2026 Source: San Martin (maker) / Watchdives (maker)

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