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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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_subsea_1170_1170-mk357yMR7gC74RZX.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_subsea_1170_1170-mk357yMR7gC74RZX.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103_b_sub_sea_1170_1170-mv0l35EOnVUK95LD.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103_b_sub_sea_1170_1170-mv0l35EOnVUK95LD.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_submariner_1170_1170-Aq2Nl6WPneFxRqbv.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_submariner_1170_1170-Aq2Nl6WPneFxRqbv.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_1988_1170_1170-mp87k6j898he1rnV.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103a_1988_1170_1170-mp87k6j898he1rnV.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103b_hd_1170_1170-AGBvpoG47ghVn9po.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103b_hd_1170_1170-AGBvpoG47ghVn9po.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103b_automatic_color_1170_1170-Yg25GXpg6viGJz6L.jpg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=328,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103b_automatic_color_1170_1170-Yg25GXpg6viGJz6L.jpg)
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
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=480,h=480,fit=crop,trim=0;0;0;0/mnl6KQoL3LFW8Gj0/sinn_103b_sa_hd_mond_color_1170_1170-A3Qrn8q9v9U56ZnG.jpg)
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