Tudor 91210N-0001 North Flag COSC Stainless Steel // Pre-Owned Frederique Constant With a larger case and

With a larger case and upgraded box-shaped anti-reflective sapphire crystal

Movement: Battery (quartz)

containing 24 Jewels

The GSTB300E model comes with a stainless steel band

Crystal/Glass material: Sapphire Crystal

Tudor 91210N-0001 North Flag COSC Stainless Steel // Pre-Owned Frederique Constant With a larger case andCondition: Excellent Case 40 mm steel case with satin finish, open back with sapphire crystal Movement Manufacture Calibre MT5621 (COSC) Self winding mechanical movement with bidirectional rotor system Power Reserve Power reserve of approximately 70 hours Winding Crown Steel winding crown with TUDOR logo in relief Waterproofness Waterproof to 100 m (330 ft) Bezel Double bezel in steel and matt black ceramic Dial Black Power reserve disc at 9 o'clock