lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·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·Watch size chart·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·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
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

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 600 Chrono
SpecStudio
RGM Watches Model 600 Chrono
Click to inspect
RGM Watches · Model

RGM Watches Model 600 Chrono

Chronograph

$4,450Stock unknown
Buy from RGM WatchesFind used on eBay

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links here are affiliate links. lug2lug may earn a commission at no extra cost to you. Disclosures

Case

Diameter
42mm
Thickness
12.4mm
Lug width
22mm
Material
Stainless Steel
Water resistance
50m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Sellita SW510
Type
Automatic

Sellita

Sellita's hand-wound chronograph caliber, the manual sibling of the automatic SW500 and compatible with the Valjoux/ETA 7750 layout, with the classic 12-6-9 subdial arrangement. It beats at 28,800 vph with roughly 48–62 hours of power reserve.

Design language

Case shape
round
Dial style
standard
Sub-dials
2
Bezel
smooth_polished
Bracelet
leather_strap

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 300 Divers
Model 300 Divers43.5mm
Model 455 Classic Chronographs
Model 455 Classic Chronographs38.2mm
Model 500gmt
Model 500gmt41mm
Model 801/40 "40mm"
Model 801/40 "40mm"40.3mm
Alternatives

Market

Retail$4,450

No forum listings recorded for this watch yet.

Similar watches

Dumoreau Monopusher Chronograph

Dumoreau

Monopusher Chronograph

40mm · Manual$2,850

Aera Instruments C-1

Aera Instruments

C-1

42mm · Automatic$2,950

Laco Edition 98

Laco

Edition 98

43mm · Automatic$3,570

CWC 6BB-WR

CWC

6BB-WR

42mm · Automatic$1,875

CWC (Cabot Watch Company) 6BB-WR

CWC (Cabot Watch Company)

6BB-WR

42mm · Automatic$2,858

Sheffield SCR CHRONO SW

Sheffield

SCR CHRONO SW

42mm · Automatic$1,180

View all alternatives

Community

“

The RGM Watches Model 600 Chrono is lauded for its legible, matte black dial with high-contrast white elements and oversized Arabic numerals, embodying a 1960s military/pilot aesthetic. Owners note the brand's hallmark American craftsmanship, with hand-engine-turned dials. One owner found the workmanship good but was uninspired by a yellow gold variant. The watch features a 42mm case and 50m water resistance. On balance, owners and reviewers appreciate the RGM Watches Model 600 Chrono's utilitarian design and legible dial, with its American craftsmanship being a key draw.

Synthesized from 3 sources
Reddit·2↗
Monochrome↗
Open the discussion

On real wrists

No shots yet. Show how it wears.

Related

Ask the communityStart a discussion about the Model 600 Chrono: get takes from other collectors.Ask →

Discussion