Seiko Prospex Marine Green GMT Automatic Watch SPB381 SPB381J SPB381J1

Seiko Prospex Marine Green GMT Automatic Watch SPB381 SPB381J SPB381J1 Today, Seiko introduces a new movement in the 6R family with a GMT function and an extended power reserve of 72 hours. The 6R54 calibre is presented in this new Prospex SPB381J1 creation, a modern reinterpretation of the classic 1968 model. The watch is water-resistant to 200 metres, the hands and 12 indexes are equipped with Lumibrite and the unidirectional bezel has a luminous insert. It is presented on a new three-link stainless steel bracelet with a slim profile that provides a solid and comfortable fit on the wrist.MOVEMENT: Caliber: 6R54Jewels: 24Frequency: 21600Functions: GMT handPower reserve: 72 hoursMovement: AutomatiquePrecision+25 / -15 sec. / dayIndex Specification: LumiBriteWaterproofingDiver's: 200 meters CASE / BEZEL / GLASS :  Glass Material: SapphireStrap Material: Stainless steelBezel Specifications: RotaryHousing Material: Stainless steelBezel Material: Stainless steel, CeramicCase back Specificity: ScrewedGlass Specificity: Anti-reflective treatmentCrown Specification: ScrewedBox opening: 42.00 mmthickness: 12.90 mmLug-width: 20 mm