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You are here: Home / Families / Soprod Newton Family

Soprod Newton Family

Last Update: July 30, 2020

BRANDS: Soprod

Production: 2020 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s
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Introduced in 2020, the Soprod “Newton” is an inexpensive Swiss movement designed for mass production. It is a modern movement and does not appear to be related to the earlier Soprod A10 family, which was based on a Seiko design. Key elements include a full balance bridge supporting the exposed balance at 6:00, a robust design with plates over most gears, and a central winding rotor supported by five ball bearings and a single screw.

Serica uses the Newton in their Ref. 5303 Dive Watch

The initial movement, with 23 jewels and date, was identified as the Cal. P092. A version with 22 jewels and without the date complication was selected by Serica for their Ref. 5303 Dive Watch, though it is not identified by number.

Soprod Newton Family Overview

Introduced in 2020, the Soprod “Newton” family is an inexpensive Swiss movement designed for mass production. It is a modern movement and does not appear to be related to the earlier Soprod A10 family, which was based on a Seiko design. Key elements include a full balance bridge supporting the exposed balance at 6:00, suggesting that an open heart version is also in the works.

The initial Newton model features a date-only calendar

The Newton by Soprod is offered in two quality versions:

  1. “Sophisticated” – Plus or minus 7 seconds per day, adjusted in 3 positions
  2. “Top-Flight” – Plus or minus 4 seconds per day, adjusted in 5 positions

Each movement is tested by Dubois Laboratory and earns a “Chronofiable Certificate” after a number of tests.

The Newton design is quite different from the Soprod A10 or M100 movement

Soprod’s previous offering was an ultra-thin automatic based on the Seiko 4L25 design. Introduced in 2004, the Alternance 10 (later called A10 or M100) was a high-end movement with advanced features and a radically different design more competitive with the ETA 2892A2. In contrast, the Newton is thicker and more plain in design. Notable differences, apart from the use of a full balance bridge, include the location of most components below plates and bridges on the top and a single-screw rotor with five ball bearings (unlike the triple-screw, 7-ball A10). This places it in competition with the common ETA 2824-2 (and similar Sellita SW200-1) in mainstream watches. But the Newton is quite different in design from this movement as well, with a smaller balance on the opposite side and the bridge.

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Calibre Start Year End Year Jewels Diameter (mm) Height (mm) Complications
Soprod P092 2020 Current 23 25.60 4.60 Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change

Soprod P092

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