Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW

Direct answer: Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW is a Sinn watch, from the Instrument Chronographs collection, with reference 903.040-Leather-CAE-Blk-CSW. This page brings together 18 recorded specification fields, 4 locally stored images so you can check the exact record before comparing another watch.

Sinn

Reference 903.040-Leather-CAE-Blk-CSW

$3,469.99

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Evidence Available for This Reference

This record includes 18 recorded specification fields and 4 locally stored images.

See the catalog methodology for how recorded evidence, missing fields and search eligibility are handled.

Reference-specific facts recorded for this watch

  • Back: Screws
  • Crystal: Sapphire
  • Diameter: 41 mm
  • Lug Width: 22 mm

Recorded entity relationships

  • Brand relationship: Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW is recorded as a Sinn watch.
  • Collection relationship: Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW belongs to the recorded Instrument Chronographs collection.
  • Reference relationship: The catalog links reference 903.040-Leather-CAE-Blk-CSW to this exact watch record.
  • Movement: The catalog lists Anti-magnetic as per DIN 8309 as the movement type.
  • Case: The recorded case material is Stainless Steel.
  • Size: The recorded case diameter is 41 mm.
  • Dial: The catalog describes the dial as Black.
  • Water resistance: The recorded water-resistance value is 100 m.

What the recorded details mean

Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW uses Anti-magnetic as per DIN 8309. The listed caliber is Anti-magnetic as per DIN 8309. Movement details help you plan daily use and future service.

The recorded case measurements are 41 mm. Size is only a starting point, so also check lug length and bracelet fit.

The case is recorded as Stainless Steel. Material affects weight, finish, care, and how marks may appear over time.

The catalog lists 100 m for water resistance. This recorded value is not a new pressure test, so have the seals checked before water use.

Available Catalog Details

This catalog record identifies the Sinn 903 St Instrument Chronographs Navigator Black Dial Cowhide Strap with Alligator Embossing Black Leather Watch 41mm 903.040-Leather-CAE-Blk-CSW under reference 903.040-Leather-CAE-Blk-CSW. A complete product description is not available, so WatchShopping does not substitute specifications from a similar watch.

Specifications

Information: Brand
Sinn
Information: Series
Instrument Chronographs
Information: Model
903.040-Leather-CAE-Blk-CSW
Information: Gender
M
Dial: Colour
Black
Dial: Indexes
Number “12” and indices coated with luminescent colour
Dial: Hands
Luminous
Case: Material
Stainless Steel
Case: Crystal
Sapphire
Case: Back
Screws
Case: Shape
Round
Case: Diameter
41 mm
Case: Lug Width
22 mm
Movement: Calibre
Anti-magnetic as per DIN 8309
Movement: Type
Automatic
Movement: Jewels
28 bearing jewels
Movement: Frequency
28,800 semi-oscillations per hour
Features: Water Resistance
100 m

How to Compare This Reference

Use the complete reference 903.040-Leather-CAE-Blk-CSW when comparing this watch. Confirm that the dial, case, movement, bracelet or strap, and production period match the exact configuration under review.

Check the watch in this order

  1. Match the full name and reference 903.040-Leather-CAE-Blk-CSW to the watch you are reviewing.
  2. Compare the dial, case, crown, bezel, and bracelet or strap with the stored images.
  3. Check the recorded movement and caliber against reliable documents for the same production period.
  4. Confirm current condition, service history, included parts, price, and availability before making a decision.

Research tip: Search and compare with the full reference 903.040-Leather-CAE-Blk-CSW. A family name alone can mix different sizes, movements, and materials.

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