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

The Edouard Koehn World Time Alarm EK-WTA05 (Ice Blue) is a current-production watch with a Grade 5 titanium case. The caseback is open, so the movement is visible.

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Titanium

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

Case shape

Round

Case colour

Natural / grey

Finish technology

Natural finish

Nickel-free

Not verified (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, Surface treatment, Caseback, Titanium bracelet Help verify

High confidence Verified Jun 2026 Source: Edouard Koehn (maker) Maker / listing ↗ Suggested by u/Potential-Peace6416

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