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DOXA Sub 200 T.Graph Professional, a modern reinterpretation of the iconic 1969 diver's chronograph

43mm stainless steel cushion case and that unmistakable high-visibility orange dial. What makes it stand out is the patented unidirectional rotating bezel, which actually integrates a dual scale for both dive time and the U.S. Navy No-Decompression table. The layout features a distinctive “dwarf” hour hand, two subsidiary registers with yellow and black accents, and a date window at 6 o’clock, all sitting under a boxed sapphire crystal. The most unique part is what’s inside; it’s powered by a genuine New Old Stock (NOS) Valjoux 7734 manual-winding chronograph caliber. Because these movements were sourced from a finite vintage supply, the production was limited to only 300 pieces worldwide.

Keeping it "seriously unserious" with the Studio Underd0g Watermel0n today. This 01SERIES chronograph is the perfect blend of high-end specs and a playful, fruit-inspired aesthetic that is impossible not to smile at. Between the textured dégradé dial and the "seed" indices, it is the ultimate spring-ready conversation starter for a bright Easter Sunday.

Seiko 5 Sports Speed-Timer Kakume, reference 6138-0030, was manufactured in May 1973 as indicated by the serial number. The timepiece is powered by the Seiko Caliber 6138B, an integrated automatic chronograph movement featuring a column-wheel and vertical clutch architecture with a frequency of 21,600 bph and 21 or 23 jewels. Its stainless steel case measures approximately 43mm in diameter, 15mm in thickness, and 44.7mm from lug-to-lug, with an 18mm lug width. This “Champagne” dial variant includes square 12-hour (top) and 30-minute (bottom) registers, a central chronograph seconds hand, and a bilingual quickset day/date window at the 3 o’clock position. The watch is equipped with a Hardlex mineral crystal and a fixed external tachymeter bezel.

Seiko 5 Sports Speed-Timer Kakume, reference 6138-0030, was manufactured in May 1973 as indicated by the serial number. The timepiece is powered by the Seiko Caliber 6138B, an integrated automatic chronograph movement featuring a column-wheel and vertical clutch architecture with a frequency of 21,600 bph and 21 or 23 jewels. Its stainless steel case measures approximately 43mm in diameter, 15mm in thickness, and 44.7mm from lug-to-lug, with an 18mm lug width. This “Champagne” dial variant includes square 12-hour (top) and 30-minute (bottom) registers, a central chronograph seconds hand, and a bilingual quickset day/date window at the 3 o’clock position. The watch is equipped with a Hardlex mineral crystal and a fixed external tachymeter bezel. #Seiko6138 #SeikoKakume #VintageSeiko #SeikoSpeedtimer #Chronograph