Rado Diastar. Vintage Rado Diastar Ref. 648.0413.3 Automatic 25 Jewels Day-Date – Gold Stone-Set Dial – 36Mm
Gold-Tone Case
Overview
Vintage Rado Diastar Ref. 648.0413.3 Automatic Wristwatch Featuring The Distinctive Broad Oval
Diastar Case, Gold-Tone Finish, Gold Dial And Matching Gold-Tone Bracelet.
The Dial Features Stone-Set Hour Markers, Gold-Tone Hands, Central Seconds, The Rotating Rado
Anchor Emblem At 12 O’Clock And An Unusual Vertical Day-Date Display At 6 O’Clock.
The Watch Is Powered By A Rado-Signed 25-Jewel Swiss Automatic Movement, Consistent With The
Rado Cal. 648 / Eta 2836-2 Used In Documented Examples Of Ref. 648.0413.3.
The Watch Is Running At The Time Of Cataloguing.
Specification
Brand: Rado
Model: Diastar
Reference: 648.0413.3
Movement: Rado Cal. 648 / Eta 2836-2 Automatic – Identification Consistent With Reference &Amp;
Supplied Movement
Jewels: 25 Jewels
Winding: Automatic
Functions: Hours, Minutes, Central Seconds, Day &Amp; Date
Case: Gold-Tone Diastar Case
Case Diameter: 36Mm Excluding Crown
Dial: Gold-Tone Stone-Set Dial
Hour Markers: Applied Stone-Set Markers
Hands: Gold-Tone
Day-Date: Vertical Display At 6 O’Clock
Bracelet: Gold-Tone Metal Bracelet
Caseback Reference: 648.0413.3
Caseback Markings: Rado Diastar, Swiss, Scratchproof, Watersealed
Current Water Resistance: Not Tested
Condition: Vintage / Pre-Owned
The Watch Is Running At The Time Of Cataloguing.
Timekeeping Accuracy, Power Reserve, Day/Date Operation And Service History Have Not Been Tested,
And Continued Operation Is Not Guaranteed.
The Gold-Tone Dial Presents Attractively, With Stone-Set Hour Markers, Rado Rotating-Anchor Emblem
And Vertical Day-Date Display Clearly Visible.
The Nature Of The Stones Has Not Been Independently Gemologically Tested And They Are Therefore
Described As Stone-Set Rather Than Definitively As Diamonds, Although Other Documented Examples
Of Ref. 648.0413.3 Are Marketed With Diamond-Set Dials.
The Case Displays Scratches, Marks And General Surface Wear Consistent With Age And Previous Use.
The Gold-Tone Bracelet Displays Scratches, Marks And General Wear.

The Crystal Displays Surface Marks And Wear.
The Caseback Displays Scratches And General Surface Wear. It Has Been Removed For The Supplied
Movement Photographs And Refitted.
Although The Caseback Is Marked Watersealed, Current Water Resistance Has Not Been Tested And
Should Not Be Assumed.
Please Refer Closely To The Photographs, As They Form An Important Part Of The Condition Description.
Included With This Lot
Rado Diastar Automatic Wristwatch On Gold-Tone Metal Bracelet.
No Original Box, Papers, Service Records Or Additional Accessories Are Confirmed As Accompanying The
Lot.
Identification &Amp; Authenticity
The Stainless-Steel Caseback Is Clearly Marked Rado Diastar, Swiss, 648.0413.3, Scratchproof
And Watersealed, Providing The Reference Identification.
The Photographed Automatic Movement Is Signed Rado And Swiss, With The Rotor Visibly Marked
Twenty-Five 25 Jewels.
Documented Examples Of Ref. 648.0413.3 Identify The Movement As Rado Cal. 648 Based On The
Eta 2836-2, A Swiss Automatic Day-Date Movement With 25 Jewels.
As The Underlying Calibre Stamp Itself Is Not Clearly Visible In The Supplied Photographs, The Eta 2836-
2 Identification Is Based On The Reference, Visible Movement Architecture And Documented Examples
Rather Than A Directly Observed Eta Calibre Stamp.
No Original Purchase Documentation, Service Records Or Manufacturer Authentication Accompany The
Watch. Originality Of Individual Components Has Not Been Independently Verified.
Design Context
The Diastar Line Is Closely Associated With Rado'S Distinctive Use Of Broad, Highly Polished Cases And
Unconventional Case Shapes.
This Example Has Particularly Strong Period Styling, Combining A Large Oval Gold-Tone Case With A Gold
Dial, Stone-Set Hour Positions, Rotating Rado Anchor And Vertically Arranged Day/Date Display.
Documented Examples Of Ref. 648.0413.3 Share The 35–36Mm Case Format, 25-Jewel Automatic
Movement And Day-Date Configuration Seen Here.
Market Context
Vintage Rado Diastar Watches Have An Established Collector Following, With Values Influenced By
Exact Reference, Movement, Dial Configuration, Originality, Case Condition And Bracelet.
This Example Combines The Identifiable 648.0413.3 Reference, Gold-Tone Diastar Case And Bracelet,
Stone-Set Gold Dial, Vertical Day-Date Display And Running Rado-Signed 25-Jewel Automatic
Movement.
The Stones Have Not Been Independently Tested And No Representation Is Made Regarding Their Composition Or Carat Weight.

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