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/Cronos/EX Diver
SpecStudio
Cronos EX Diver
Click to inspect
Cronos · EX

Cronos EX Diver

Diver

$156In stock
Buy from CronosFind 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
39mm
Thickness
10.75mm
Lug width
20mm
Material
Stainless Steel
Water resistance
100m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Miyota 90S5
Type
Automatic

Miyota

Miyota's open-heart variant of the 9015 platform, featuring a skeletonized dial-side plate that exposes the balance wheel through a cutout in the dial. Shares the same reliable 28,800 vph architecture and 42-hour power reserve as the standard 9015. Popular among microbrands offering open-heart designs at accessible price points without resorting to Chinese movements.

Design language

Case shape
round
Dial style
matte
Bezel
smooth_polished
Bracelet
metal_oyster

AI-detected from the product image

Alternatives

Market

Retail$156

No forum listings recorded for this watch yet.

Similar watches

Newmark Waterking

Newmark

Waterking

38mm · Automatic$335

Baltic Aquascaphe Dual-Crown

Baltic

Aquascaphe Dual-Crown

39mm · Automatic$724

Henry Archer Nordsø

Henry Archer

Nordsø

40mm · Automatic$521

IXDAO Titanium Dive Watch

IXDAO

Titanium Dive Watch

39mm · Automatic$269

Ardio Watches Caribe

Ardio Watches

Caribe

40mm · Automatic$525

Makoto Watches Nagomi Black/Gray Dial - 39mm - Special

Makoto Watches

Nagomi Black/Gray Dial - 39mm - Special

39mm · Automatic$745

View all alternatives

Community

“

Owners widely praise the Cronos 36mm/39mm EX PT5000 Dive Watch L6031 for its updated proportions, dial design, and indices, with some noting its thin profile and near-competitor-matching finishing. The Miyota 90S5 movement is present. Owners are split on sizing, with some finding the 36mm too small or its bracelet fit compromised by male end links, while others prefer the 39mm for its proportions and find the 36mm bezel and bracelet look too thick. One owner flags long-term durability as unknown. Overall, owners rate the Cronos 36mm/39mm EX PT5000 Dive Watch L6031 highly for its dial and finishing at its price point.

Synthesized from 10 sources
Reddit·9↗
WatchCrunch↗
Open the discussion

On real wrists

No shots yet. Show how it wears.

Related

Ask the communityStart a discussion about the EX Diver: get takes from other collectors.Ask →

Discussion