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/ProTek Watches/K109x Series
ProTek Watches K109x Series
Click to inspect
Ask the communityStart a discussion about the K109x Series — get takes from other collectors.Ask →
ProTek Watches · K109x

ProTek Watches K109x Series

$525In stock
Buy from ProTek WatchesFind used on eBay

Case

Diameter
42mm
Thickness
13.95mm
Lug width
22mm
Material
Carbon
Water resistance
300m

Crystal & dial

Crystal
Sapphire
Lume
Tritium

Movement

Caliber
Seiko VS2S60
Type
Quartz
Hacking
No
Hand-winding
No
Complications
Time only

Design language

Case shape
round
Dial style
standard
Bezel
rotating_unidirectional
Bracelet
rubber_strap

AI-detected from the product image

23 colorways

Alternatives

01The connection engine

More like this.

ProTek Watches Model PT1015 USMC

ProTek Watches

Model PT1015 USMC

42mm · Quartz$525

ProTek Watches Model PT1013 USMC

ProTek Watches

Model PT1013 USMC

42mm · Quartz$525

Smith & Bradley SANS-13 Tactical

Smith & Bradley

SANS-13 Tactical

42mm · Quartz$295

Nite Watches Alpha

Nite Watches

Alpha

42mm · Quartz$760

Memphis Belle Stingray

Memphis Belle

Stingray

42.5mm · Quartz$1,390

ProTek Watches Model PT1011 USMC

ProTek Watches

Model PT1011 USMC

42mm · Quartz$525

View all alternatives

02The community take

Owners talk.

“
In a nutshell

The ProTek Watches K109x Series is a quartz watch, with a 42mm carbon case, 13.95mm thick, powered by the Seiko VS2S60 movement. Water resistance is rated to 300m, under a sapphire crystal. Manufacturer MSRP is $525.

Open the discussion

On real wrists

No shots yet. Show how it wears.

03The paper trail

04The discussion

Talk about the ProTek Watches K109x Series.