Brand Studio Underd0g Caliber Number St-1901B, ST1901B In-House? No (bespoke) Base Caliber Seagull ST-1901 (aka ST19, TY2901) Manufacturer Tianjin Sea-Gull...
ST19
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Hi this movement is inside of a 1910s era trench watch....
andyf , 3 days ago
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calibercorner , 3 days ago
Which quartz movement is better
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