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 close to the $1,299 median for the category.

6 official photos · reader photos welcome

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

Finish technology

Natural finish

Nickel-free

Unconfirmed (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

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