The Basics

The Vaughan Big Date is a self-winding wristwatch styled after dress watches of the 1950’s. Its case, available in stainless steel or rose gold, measures 42mm across and houses the in-house calibre 3030 with big date. Reference 7630.41.50.1186 has a stainless steel case and a black dial.

Brand: Eterna
Family: Heritage
Reference: 7630.41.50.1186
Name: Vaughan Big Date Black
Produced: N/A
Limited: No

Below is a detailed look at Eterna’s model 7630.41.50.1186 from Heritage watch family, including the price, case details and movement features.

Eterna Heritage 7630.41.50.1186

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The Details

Eterna’s Vaughan Big Date Black (7630.41.50.1186) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 48-hour power reserve when fully wound.

The Case

The stainless steel case measures 42mm in diameter and roughly mm thick. The round case is paired with a black color dial with dauphine-shaped hands, and a stick / dot hour markers and minute track, covered by a sapphire glass. Eterna’s Heritage model 7630.41.50.1186 is water resistant up to 50 meters (164 ft). A solid caseback is over the back of the watch case.

Material: Stainless steel
Glass: Sapphire
Back: Solid
Shape: Round
Diameter: 42mm
Height: mm
Lug Width: N/Amm
W/R: 50

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Heritage 7630.41.50.1186 movement is a powered by caliber 3030 made by Eterna. The 24-jewel automatic movement is 30mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 48-hour power reserve.

Type: Automatic
Brand: Eterna
Caliber: 3030
Base: N/A
Display: Analog
Diameter: 30mm
Jewels: 24
Reserve: 48 hours
Frequency: 28800 bph
Time: Hours, Minutes, Seconds

The Price

How much does the Eterna’s Heritage 7630.41.50.1186 cost? This watch was introduced in N/A and has been in Eterna’s collection for around . This watch is not a limited release. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: Not Available

For more information, visit Eterna online.


  • Brand: Eterna
  • Model: Vaughan Big Date Black
  • Reference Number: 7630.41.50.1186
  • Limited: No

Case & Dial:

  • Material: Stainless steel
  • Glass: Sapphire
  • Back: Solid
  • Diameter: 42
  • Thickness:
  • Lug Width: N/A
  • Dial Color: Black
  • Indexes: Stick / Dot and Dauphine-shaped hands
  • Water Resistance: 50 meters


  • Winding: Automatic
  • Brand: Eterna
  • Caliber: 3030
  • Display: Analog
  • Diameter: 30mm
  • Jewels: 24
  • Power Reserve: 48 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes, Seconds

About Eterna

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Eterna is part of the China Haidian group.

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