Seiko 5 Sports Automatic Ref. 4R36-07G0 Introduction This Seiko 5 Sports Automatic (Ref. 4R36-07G0) is a robust and modern interpretation of Seiko’s iconic diver-style sports watches. Featuring a blacked-out case, highly legible dial, and day-date display, this model is commonly known as the “Tuna” style due to its bold case design and professional tool-watch presence. Historical & Collector Value Seiko’s “Tuna” nickname originates from its professional diver watches, recognized for their distinctive case shape and extreme durability. While this model is part of the Seiko 5 Sports line, it carries strong visual DNA from those legendary divers. Powered by the reliable 4R36 automatic movement with hacking and hand-winding, it is well regarded among enthusiasts seeking everyday usability with authentic Seiko tool-watch character. Specifications Brand: Seiko Model: Seiko 5 Sports Reference Number: 4R36-07G0 Movement: Automatic (Seiko 4R36) Case Material: Black-coated stainless steel Caseback: Stainless steel Dial: Black with luminous hour markers Bezel: Black diver-style bezel Strap: Fabric / nylon strap Functions: Time, day, date Condition The watch is in very good condition overall. The case and bezel show only light signs of wear consistent with normal use. The dial and hands are clean and well preserved, with good legibility. Overall, it maintains a very attractive appearance. Operation The watch has been function-tested and is operating normally. All functions work as intended. Shipping & Customs Worldwide shipping with careful packaging. Since the item will be shipped from Japan, customs duties, VAT, or import taxes may apply upon arrival and are the responsibility of the buyer. For more details, please refer to the following link: https://www.catawiki.com/en/help/fees/do-i-have-to-pay-customs-fees