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You are here: Home / Families / Tianjin TY2500/ST25 Family

Tianjin TY2500/ST25 Family

Last Update: June 28, 2019

BRANDS: Tianjin

Production:  – 
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s
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The Tianjin TY2500 (called ST25 by Sea-Gull) family of movements has automatic winding and is oversized, measuring 30.40 or 37.20 mm in diameter.

FunctionsJewelsDiameterHeightOpen Heart
TY2501
ST2501
Small seconds at 9:002530.407.40With bridge
TY2502
ST2502
Date pointer at 3:00
Day pointer at 9:00
2930.407.40With bridge
TY2503
ST2503
Date pointer at 3:00
Day pointer at 9:00
Year and Month at 12:00
2930.407.40With bridge
TY2504
ST2504
Retrograde day at 2:30
Retrograde date at 9:30
3330.407.40With bridge
TY2505
ST2505
Power reserve at 2:30
Retrograde date at 9:30
3830.407.40With bridge
TY2509
ST2509
Power reserve at 12:003430.407.40With bridge
TY2510
ST2510
Second timezone at 12:003130.407.30With bridge
TY2525
ST2525
Day pointer at 3:00
Month pointer at 9:00
Big date at 12:00
2930.407.90With bridge
TY2526
ST2526
Small seconds at 6:00
Big date at 12:00
2930.407.90No
TY2527
ST2527
Month pointer at 4:00
Day pointer at 8:00
Big date at 12:00
2530.407.90No
TY2528
ST2528
Small seconds at 6:00
Moon phase at 6:00
Big date at 12:00
2930.407.90No
TY2529
ST2529
Day pointer at 3:00
24 hour hand at 6:00
Month pointer at 9:00
Big date at 12:00
2930.407.90No
TY2530
ST2530
Date at 3:00
Power reserve at 5:00
Small seconds at 9:00
3330.407.40No
TY2532
ST2532
Power reserve at 3:00
Small seconds at 9:00
3130.407.40No
TY2533
ST2533
Central 24 hour hand
Date at 3:00
Power reserve at 6:00
Small seconds at 9:00
3130.407.40No
TY2542
ST2542
Small seconds at 6:00
Power reserve at 12:00
3430.407.40No
TY2545
ST2545
Central seconds
Hours and minutes at 3:00
Retrograde date at 6:00
Second time zone at 9:00
power reserve at 12:00
4030.407.90No
TY2552
ST2552
Month pointer at 3:00
Date at 4:30
24 hour hand at 6:00
Day pointer at 9:00
2830.407.40No
TY2551
ST2551
Date at 3:00
Small seconds at 9:00
3030.407.40No
TY2553
ST2553
Date at 3:002537.207.40No
TY2557
ST2557
Central 24 hour hand
Date at 3:00
Small seconds at 9:00
3030.407.40No
TY2561
ST2561
Date at 3:00
Power reserve at 6:00
2937.207.40No
TY2563
ST2563
Central seconds
Hours and minutes at 3:00
Big date at 6:00
Second time zone at 9:00
Power reserve at 12:00
3637.208.40No
ST2571
ST2571
Date pointer at 12:00
Day/night at 12:00
2730.407.73Yes
ST2573Second timezone at 3:00
Second timezone at 9:00
Retrograde date at 12:00
Yes
ST2575Big date at 12:00Yes
ST2590Perpetual calendar
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Calibre Start Year End Year Jewels Diameter (mm) Height (mm) Complications
ST2503 Current 29 30.40 7.4 Date, Day, Month, Year

ST2503

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