The Titanium Field GuidePicks of the month

Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue)

EK-WTA05IBASBK

The Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue) is a 42 mm Grade 5 titanium watch with an Edouard Koehn Cal. EK-MVTWTA01 automatic movement.

All Edouard Koehn watchesOther watchesGrade 5 titaniumWorldtimerDisplay back
Material
Titanium
Grade / type
Grade 5
Water resistance
50 m
Reference
EK-WTA05IBASBK
Type
Other
Price
– · Price on request
Case diameter
42.0 mm
Thickness
14.5 mm
Origin
Switzerland
Movement
Automatic, World Time with alarm
Caliber
Edouard Koehn Cal. EK-MVTWTA01
Power reserve
48 h
Complications
Worldtimer
Colour
Grey
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Alligator strap (deployant buckle)
Crystal
Double AR sapphire
Display back
Yes
Dial
Ice Blue guilloche, grey matte central disc
Dial colours
Grey Blue
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Weight, Hardness, Construction, Surface treatment, Caseback, Matching bracelet
High confidence Verified Jun 2026 Source: Edouard Koehn (maker) Suggested by u/Potential-Peace6416
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Similar watches

Alternatives to the Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue)

More watches from Edouard Koehn

Frequently asked questions

What grade of titanium is the Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue)?

Grade 5, as stated by the maker.

What size is the Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue)?

The case is 42 mm across and 14.5 mm thick. It is water resistant to 50 m.

How much does the Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue) cost, and is it available?

It is in production, but the maker does not publish a price.

All Edouard Koehn watches · Other watches · All 1,960 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions · Privacy Policy

Report an error on this page · how corrections work