The Wristwatch Field Guide

Synchron Ti300M Sealab (Limited Edition)

The Synchron Ti300M Sealab (Limited Edition) is a current-production diver watch with a grade 5 titanium case. At 50 g it sits among the lighter diver watches in the guide, and is priced above the $1,199 median for the category.

All Synchron watchesExotic-material diver watchesTitaniumDiversUnder $5,000
Price
$1,390
Material
Titanium
Grade / type
Grade 5
Weight
50 g (with strap)
Water resistance
300 m
Type
Diver
Case diameter
41.0 mm
Thickness
11.9 mm
Lug-to-lug
45 mm
Origin
Switzerland
Movement
Automatic (adjusted 4 positions)
Caliber
La Joux-Perret G100 (Soigne)
Power reserve
68 h
Complications
Time only
Colour
Grey
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Rubber Tropic strap
Crystal
Flat sapphire, triple AR
Display back
No
Dial
Orange (Sealab)
Dial colours
Orange
Lume
Super-LumiNova X1
Availability
Offered
Status
Pre-order (limited edition of 500); maker page pending
Not published
Reference, Hardness, Construction, Surface treatment, Caseback, Matching bracelet
Medium confidence Verified Jun 2026 Source: Synchron (maker; spec block) / The Time Bum (Sealab Ti300M) / Fratello (Synchron Sealab) Suggested by u/Potential-Peace6416
Facts are free to cite with a link.
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Alternatives to the Synchron Ti300M Sealab (Limited Edition)

Baltic Aquascaphe TitaniumBalticAquascaphe Titanium$1,05041.0 mm13.3 mm thick55 gDiversame category · same style · similar price · similar size
TissotSideral S$1,05041.0 mmDiversame category · same style · similar price · similar sizeCertina DS Action Diver 40.5mm TitaniumCertinaDS Action Diver 40.5mm Titanium$1,06040.5 mm14.1 mm thick124 gDiversame category · same style · similar price · similar sizeLum-Tec M83 BronzeLum-TecM83 Bronze$1,09544.0 mm13.8 mm thickDiversame category · same style · similar price · similar sizeCertina DS Action Diver 38mm TitaniumCertinaDS Action Diver 38mm Titanium$1,10038.0 mm13.2 mm thick86 gDiversame category · same style · similar price · similar size
Squale1521 Bronze$1,10042.0 mm14 mm thickDiversame category · same style · similar price · similar size

More exotic-material watches from Synchron

Synchron Ti300M PoseidonSynchronTi300M Poseidon$1,29041.0 mm11.9 mm thick50 gDiver
SynchronBronze GMT–39.0 mm10 mm thickOther
SynchronBathyscaphe 100 Bronze–Diver

Frequently asked questions

What is the case material of the Synchron Ti300M Sealab (Limited Edition)?

The Synchron Ti300M Sealab (Limited Edition) has a grade 5 titanium case. It is recorded at medium confidence pending a maker-stated material.

What size is the Synchron Ti300M Sealab (Limited Edition)?

It is 41.0 mm in diameter, 11.9 mm thick, 45 mm lug to lug, and water resistant to 300 m.

How much does the Synchron Ti300M Sealab (Limited Edition) weigh?

About 50 g (w/ strap).

How much does the Synchron Ti300M Sealab (Limited Edition) cost, and is it available?

It is current-production and lists from $1,390.

All exotic-material Synchron watches · Exotic-material diver watches · All 1,957 watches

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