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Discussion Starter · #1 ·
Finally got the caseback off my alpha paul newman, so here are some pics. all alpha fans enjoy :lol:




 

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Yes Seagull mov't

Yes, it is a Seagull mov't.

Molle, yours is a ST1901 (2 subdials).

Depending on which model Alpha duc848 has, it is either a ST1902 or ST1903.

Here is the list of the variants, as I know it:

ST1901
2 register,
small seconds at 9,
30 min counter at 3

ST1902
3 register,
small seconds at 9,
30 min counter at 3
12 h register at 6 (non chrono)

ST1903
3 register,
small seconds at 9,
30 min counter at 3
24 h register at 6 (non chrono)

ST1904 - unused model number

ST1905
2 register,
small seconds at 9,
30 min counter at 3
decentral power reserve at 4:30

ST1906
2 register,
small seconds at 9,
30 min counter at 3
decentral power reserve at 6

ST1907
2 register,
small seconds at 9,
30 min counter at 3
central power reserve indicator

ST1908
4 register,
small seconds at 9,
30 min counter at 3
date at 12
real moon phase at 6


But Seagull is developing or considering:
  • A true 3-register chrono with a 12h chronograph counter at 6, prototypes have been built, this might be one of the missing denominations.
  • A GMT variant of the ST1903, where the 24h register can be set independently - only in consideration.
  • An automatic winding module for the ST19 movement series is in development.

Cheers,
gigfy
 

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Discussion Starter · #4 ·
Yes, it is a Seagull mov't.

Molle, yours is a ST1901 (2 subdials).

Depending on which model Alpha duc848 has, it is either a ST1902 or ST1903.

Here is the list of the variants, as I know it:

ST1901
2 register,
small seconds at 9,
30 min counter at 3

ST1902
3 register,
small seconds at 9,
30 min counter at 3
12 h register at 6 (non chrono)

ST1903
3 register,
small seconds at 9,
30 min counter at 3
24 h register at 6 (non chrono)

ST1904 - unused model number

ST1905
2 register,
small seconds at 9,
30 min counter at 3
decentral power reserve at 4:30

ST1906
2 register,
small seconds at 9,
30 min counter at 3
decentral power reserve at 6

ST1907
2 register,
small seconds at 9,
30 min counter at 3
central power reserve indicator

ST1908
4 register,
small seconds at 9,
30 min counter at 3
date at 12
real moon phase at 6


But Seagull is developing or considering:
  • A true 3-register chrono with a 12h chronograph counter at 6, prototypes have been built, this might be one of the missing denominations.
  • A GMT variant of the ST1903, where the 24h register can be set independently - only in consideration.
  • An automatic winding module for the ST19 movement series is in development.

Cheers,
gigfy
from your descriptions, It is a ST1903
 
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