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 $2,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All 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.
Get the app
Download on theApp StoreGET IT ONGoogle Play
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/RGM Watches/Model 300 Divers
RGM Watches Model 300 Divers
Click to inspect
Ask the communityStart a discussion about the Model 300 Divers — get takes from other collectors.Ask →
RGM Watches · Model

RGM Watches Model 300 Divers

Diver

$4,450
Find used on eBay

Case

Diameter
43.5mm
Thickness
17mm
Lug width
22mm
Material
Stainless Steel
Water resistance
762m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Sellita SW300-1
Type
Automatic
Hacking
No
Hand-winding
No
Complications
Time only

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

Model collection · 10 watches

Model 150
Model 15042mm
Model 207
Model 20735mm
Model 222rr
Model 222rr41mm
Model 25
Model 2540mm
Model 250
Model 25042mm
Model 455 Classic Chronographs
Model 455 Classic Chronographs38.2mm
Model 500gmt
Model 500gmt41mm
Model 600 Chrono
Model 600 Chrono42mm
Model 801/40 "40mm"
Model 801/40 "40mm"40.3mm
Alternatives

02The connection engine

More like this.

Noctua Watch Corp. Sentinel

Noctua Watch Corp.

Sentinel

42mm · Automatic$429

Pook Watches Kompressor

Pook Watches

Kompressor

42mm · Automatic$477

Audaz ADZ-3010

Audaz

ADZ-3010

44mm · Automatic$720

Boschett Timepieces Cave Dweller

Boschett Timepieces

Cave Dweller

44mm · Automatic$750

Crafter Blue Hyperion Ocean

Crafter Blue

Hyperion Ocean

45mm · Automatic$876

Manufaktur Waldhoff Seawolf

Manufaktur Waldhoff

Seawolf

43mm · Automatic$789

View all alternatives

03The community take

Owners talk.

“

Owners widely praise the RGM Watches Model 300 Divers for its outstanding quality, typical of RGM, and its rugged, cool appearance. Some owners note its 17mm thickness and small dial, with one comparison suggesting its quality does not match that of Omega. The watch is available with a bracelet in outstanding condition and an OEM rubber strap showing minor wear. On balance, owners rate the RGM Watches Model 300 Divers highly for its build quality and distinctive aesthetic.

Synthesized from 2 sources
Reddit↗
WatchUSeek↗
Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

05The discussion

Talk about the RGM Watches Model 300 Divers.