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·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/Casio/Edifice EFK-100D
Casio Edifice EFK-100D
Click to inspect
Ask the communityStart a discussion about the Edifice EFK-100D — get takes from other collectors.Ask →
Casio · Edifice

Casio Edifice EFK-100D

Ref. EFK-100D-7A

Buy from CasioFind used on eBay

Case

Diameter
39mm
Thickness
12.5mm
Lug-to-lug
43.5mm
Material
Stainless steel
Water resistance
100m

Crystal & dial

Crystal
Sapphire
Dial colour
White

Movement

Type
Automatic
Beat rate
21,600 vph
Jewels
24
Hacking
No
Hand-winding
No
Complications
Time only

Edifice collection · 14 watches

ECB-2300D
ECB-2300D45.8mm
ECB-950DB
ECB-950DB48mm
Edifice EFR-S108D
Edifice EFR-S108D39.9mm
EFB-108D
EFB-108D45mm
EFB-730D
EFB-730D40mm
EFK-110D
EFK-110D38mm
EFR-539D
EFR-539D49.5mm
EFR-574DE
EFR-574DE42.3mm
EFS-S650D
EFS-S650D40.9mm
EFV-160D
EFV-160D40mm
EFV-620D
EFV-620D50.5mm
EFV-650D
EFV-650D43.5mm
1 more in this collection
EQS-960PB
Alternatives

02The connection engine

More like this.

Orient Classic Watch

Orient

Classic Watch

40mm · Automatic$245

Seiko Seiko Selection SARV001

Seiko

Seiko Selection SARV001

42mm · Automatic$181

Orient FNR1Q003W0

Orient

FNR1Q003W0

36mm · Automatic$155

Orient FNR1Q005W0

Orient

FNR1Q005W0

36mm · Automatic$180

Casio EFB-730D

Casio

EFB-730D

40mm · Quartz$165

Casio EFS-S650D

Casio

EFS-S650D

40.9mm · Quartz$250

View all alternatives

03The community take

Owners talk.

“
In a nutshell

The Casio Edifice EFK-100D (ref. EFK-100D-7A) is an automatic watch, with a 39mm stainless steel case, 12.5mm thick, with a Approximately 40 hours-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal.

Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

05The discussion

Talk about the Casio Edifice EFK-100D.