SEIKO SRPJ47K1J,Men's Sport,Automatic,Stainless Case,Rotating,Day & Date,100m

• Part of the Seiko 5 Sports “SKX -style” line, the SRPJ47K1 revives the aesthetic of the 1970s Time Sonar models with its semi‑transparent burnt‑orange dial and subtle neon yellow second hand

• It was released as a limited-edition (around 11,000 pieces) to commemorate Seiko’s 140th anniversary, although some collectors debate how "limited" the quantity truly was

🛠 Technical Specifications

• Movement: Seiko automatic caliber 4R36, with manual winding capability. Offers a ~41-hour power reserve, operating at 21,600 vph, with a stop-second function and day/date complicationCase & Dial: Stainless steel case measuring 42.5 mm diameter and 13.4 mm thickness, with Hardlex crystal. Dial is transparent with LumiBrite-coated hands and markers, and a unidirectional black bezel ▶ 

• Bracelet & Clasp: Stainless steel bracelet with a three-fold push-button deployment clasp; lug width is 22 mm; total weight around 165 g 

• Water Resistance: Rated to 10 bar (≈100 m), suitable for swimming but not full scuba diving—it doesn’t have a screw‑down crown as SKX proper models do 

🎨 Dial & Visual Style

• The standout feature is the transparent orange skeleton dial, which reveals rotating day/date discs—letting you glimpse the day wheel beneath

• The color combo is often referred to as “burnt orange,” lending a distinct retro-modern look. Combined with neon-yellow second hand and bold markers, it’s visually arresting yet very wearable 

🗣 Community Thoughts & Reliability

• Enthusiasts frequently compare it with SKX-style models but clarify this is not a dive-rated model, more of a sports watch with 100 m of WR and vintage cues 

• Reddit users highlight caution when buying from secondary markets—some sellers used incorrect stock imagery or mismatched caseback codes. Genuine SRPJ47K1 should show case number 4R36‑13N0, dark exhibition caseback, and accurate dial aesthetics