lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Best dress watches·Diver under $5,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $2,000·Best tool watches·Pilot under $2,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Now on iPhone
Download on theApp Store
TermsPrivacyCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Sinn/T50 GBDR
Sinn T50 GBDR
Click to inspect
Ask the communityStart a discussion about the T50 GBDR — get takes from other collectors.Ask →
Sinn · Series T50

Sinn T50 GBDR

Ref. T50 GBDR · Diver

$4,428
Buy from SinnFind used on eBay

Case

Diameter
41mm
Thickness
12.3mm
Lug width
20mm
Material
Titanium
Finish
bead-blasted
Water resistance
500m

Crystal & dial

Crystal
Sapphire
AR coating
Underside
Dial colour
Black
Lume
Luminescent

Movement

Caliber
Sellita SW300-1
Type
Automatic
Beat rate
28,800 vph
Power reserve
38h
Jewels
25
Hacking
No
Hand-winding
No
Complications
Date

Sellita

A slim Swiss automatic from Sellita, a pin-compatible alternative to the ETA 2892-A2, beating at 28,800 vph with roughly 42–56 hours of power reserve. Favoured by brands needing a thinner movement than the SW200.

Design language

Case shape
round
Dial style
standard
Bezel
rotating_unidirectional
Bracelet
metal_oyster

AI-detected from the product image

Series T50 collection · 2 watches

T50 GOLDBRONZE B
T50 GOLDBRONZE B41mm

2 colorways

Alternatives

01The connection engine

More like this.

Sinn U50 SDR with TEGIMENT option

Sinn

U50 SDR with TEGIMENT option

41mm · Automatic$3,326

Formex Reef 42 mm

Formex

Reef 42 mm

42mm · Automatic$2,414

Sinn EZM 3 S

Sinn

EZM 3 S

41mm · Automatic$3,046

Serket Watch Co Reef Mariana

Serket Watch Co

Reef Mariana

40mm · Automatic$449

Matterhorn Watch Co. DiveMaster 300

Matterhorn Watch Co.

DiveMaster 300

41mm · Automatic$401

Sinn EZM 13.1

Sinn

EZM 13.1

41mm · Automatic$3,780

View all alternatives

02The community take

Owners talk.

“

The Sinn T50 GBDR features a titanium case with a GoldBronze bezel and matte black dial, presenting a two-tone toolish aesthetic that reviewers find appealing. The GoldBronze alloy offers improved skin compatibility and corrosion resistance, developing patina slower than standard bronze. Reviewers note a stamped clasp that can come loose and suggest the price point may be high for some Sinn enthusiasts.

Synthesized from 2 sources
Fratello↗
Monochrome↗
Open the discussion

On video

On real wrists

No shots yet. Show how it wears.

03The paper trail

In collections

Titanium😈

Collection · 49 watches

04The discussion

Talk about the Sinn T50 GBDR.