Sinn 103 St
SINN 103 A - Valjoux 7760
Sub Sea Case

Case with screwed back and black dial with three white sub-dials. 30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black bi­directional rotatable bezel has a silver triangle with embedded pearl at 12 o'clock and shows minute markers at 10, 20, 30, 40 and 50 .

The outer back cover is signed "Stainlees Steel Swiss Made lncabloc Etanche 4 ATM" and serial number. The movement is a Valjoux 7760 and is signed under the balance wheel.

Serial number 5-digit starting with 87XXX

SINN 103 B - Valjoux 7760
Sub Sea Case

Case with screwed back and black dial with three sub-dials. 30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black bi-directional rotatable bezel has a silver triangle with embedded pearl at 12 o'clock and shows minute markers at 10, 20, 30, 40 and 50 .

The outer back cover is signed "Stainlees Steel Swiss Made lncabloc Etanche 4 ATM" and serial number. The movement is a Valjoux 7760 and is signed under the balance wheel.

Serial number 5-digit starting with 87XXX

SINN 103 A - Valjoux 7760
Submariner Case

Case with screwed back and black dial with three white sub-dials.

30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black rotating bezel has a silver triangle with embedded pearl at 12 o'clock and displays a tachymeter with 60-minute markers.

The outer back cover is signed "Submariner Gase 20 ATM 200 Meters lncabloc Swiss Made and reference 2800 and serial number. The movement is a Valjoux 7760 and is signed under the balance wheel.

Serial number 5-digit starting with A87XXX

SINN 103 A - Valjoux 7760

Case with screwed back and black dial with three white sub-dials.

30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black rotating bezel has a silver triangle with embedded pearl at 12 o'clock and displays a tachymeter with 60-minute markers. The movement is a Valjoux 7760 and is signed under the balance wheel.

Serial number 7-digit starting with 112XXXX

SINN 103 B - Valjoux 7760

Case with screwed back and black dial with three sub-dials.

30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black rotating bezel has a silver triangle with embedded pearl at 12 o'clock and displays a tachymeter with 60-minute markers. The movement is a Valjoux 7760 and is signed under the balance wheel.

Serial number 7-digit starting with 212XXXX

SINN 103 B - Valjoux 7750

Case with screwed back and black dial with three sub-dials.

30-minute counter and permanent 60-seconds sub-dial at 9 o'clock and 12-hour counter at 6 o'clock.

The black rotating bezel has a silver triangle with embedded pearl at 12 o'clock and displays a tachymeter with 60-minute markers. The movement is a Valjoux 7750 and is signed under the balance wheel.

Serial number 7-digit starting with 112XXXX

SINN 103 B - Valjoux 7768

Moon Phase Chronograph

Case with screwed back and black dial with two sub-dials and Moon Phase window.

Date at 3 o'clock, permanent 60-seconds sub-dial at 9 o'clock and 30-minute counter at 12 o'clock.

The black rotating bezel has a silver triangle with embedded pearl at 12 o'clock and displays a tachymeter with 60-minute markers. The movement is a Valjoux 7768 and is signed under the balance wheel.

Serial number 7-digit starting with 412XXXX