Rado DiaMaster Grande Seconde

The Rado DiaMaster Grande Seconde was a 43 mm ceramic dress watch with a Rado 657 automatic movement. Rated to 100 m, no other ceramic dress watch in the guide goes deeper, out of 68. At 43 mm across, only one of the 70 other ceramic dress watches in the guide is larger. It is no longer made, so this page is a reference for buying one used.

4 official photos · reader photos welcome

Material

Ceramic

Grade / type

Black ceramic

Water resistance

100 m

Reference

R14127152

Type

Dress

Case diameter

43.0 mm

Thickness

11.8 mm

Origin

Switzerland

Movement

Automatic

Caliber

Rado 657

Complications

Date

Colour

Black

Construction

Assembled

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Black high-tech ceramic bracelet

Matching bracelet

Standard

Crystal

Sapphire

Display back

Yes

Dial

Black, rose gold-tone hands, large seconds subdial, date at 9

Dial colours

Black

Availability

No longer offered

Status

Discontinued; withdrawn from Rado's own storefront in every locale (checked 2026-09-06)

Not published

Price, Lug-to-lug, Weight, Power reserve, Hardness, Surface treatment, Caseback, Lume

Medium confidence Verified Sep 2026 Source: Maker Spec checksCase material Jul 2026

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