Ball Engineer Master II Chronograph – Reference CM3090C-S1J-BK

Offered here is a Ball Engineer Master II Chronograph, a professional-grade tool watch inspired by the brand’s historic link to railroad timing standards dating back to 1891. Ball Watch Company became famous for exceptional accuracy under adverse conditions, and this piece continues that heritage.

This example is in very good pre-owned condition with normal signs of wear from careful use such as light surface marks on case/bracelet, consistent with age. Nothing excessive and everything functions correctly. The movement runs well and the watch keeps good time.

✔ Full set

✔ Original Ball box and documents

✔ Warranty card with reference visible

✔ Factory stainless steel bracelet

✔ Display caseback showing automatic movement

Key Features

• Model: Engineer Master II Chronograph

• Reference: CM3090C-S1J-BK

• Case size: approx. 42mm

• Movement: Swiss automatic chronograph

• Dial: black with contrasting subdials

• Bezel: telemeter scale

• Water resistance: 100m

• Crystal: sapphire

• Bracelet: original Ball stainless steel

• Lume: H3 tritium gas tubes (mb-microtec illumination)

• Functions: chronograph, day-date, central seconds

Condition Notes

• Very good overall condition

• Normal light scratches from use present

• No major dents, cracks or abuse

• Crystal clear

• Bracelet solid with minimal stretch

Everything in the photos is included. Please review images carefully as they form part of the description.

We are a small watch business based in St Albans, UK (About Times – St Albans).

Number included below for reference:

077 4983 2012

(placed only for identification purposes within the listing text)

A great opportunity to own an underrated Swiss chronograph from a historically important brand.