!MOD SEIKO! This watch contains aftermarket customisations without permission from the brand. This could impact the watch value and might void manufacturer warranties. Including , polishing , aftermarket dial , hands , bracelet , bezel insert and pushers. We ask sellers to mention any know aftermarket parts.The brand might refuse servicing and repairs to watches modified by unlicensed watchmakers. Please use photos as part of the description. Brand: Seiko Model: Marine Master (Black Dial) Country: Japan Date: Practical Calendar (One Step Forward) Movement: Japanese 6309-00K0 Glass: Crystal Case: Steel Cover: Steel Seiko Stamped Band: Steel Seiko 20-24 cm Mechanism Construction Period: 1970 - 1979 Dial: Black Dial, Gold White Highlight Dot indexes. External Frame: Fixed Gems: 17 Dial, Hands, Inner Bezel, Band, Bezel and Case (After Market) Foot Spacing: 20 mm Case diameter excluding crown: 41 mm x 48 mm Case diameter including crown: 44 mm x 48 mm Safe Shipping The watch has been maintained and all its functions work as they should. Important: It will be sent with tracking number after confirmation by Catawiki. All taxes and duties related to the bidder's business are reserved. The buyer pays the shipping fee for returns. Negative: Photos represent the original time of publication. We recommend that you examine these and any resulting details closely, as the seller's score may not be the same as the bidder's score. If you do not accept the terms please do not bid.