Model History: Introduced in the early 2000s, the Seiko H023-0010, also known as the "Prospex Sky Professional," was designed to meet the needs of pilots and frequent travelers. This model combines analog and digital displays, offering features like world time for 28 cities, a stopwatch with 1/1000-second accuracy, and an alarm function. Its distinctive internal rotating bezel includes scales for nautical miles, statute miles, and fuel pounds, aiding in various calculations.
Specifications:
Movement: Seiko Caliber H023
Case Material: Stainless Steel
Case Diameter: 44.5mm
Case Thickness: 14mm
Lug Width: 18mm
Dial: Black with red and yellow accents
Crystal: Original, scratch-free condition
Bracelet: Original Seiko stainless steel
Functions:
World time for 28 cities
1/1000-second stopwatch
Alarm
Fully automatic calendar up to 2050
Daylight saving time display
Time transfer function between digital and analog displays
Condition: This Seiko H023-0010 is in good used condition, reflecting careful wear. The original crystal remains scratch-free, and the case and bracelet show minor signs of use consistent with its age. The watch functions flawlessly, offering reliable performance. Please note, it comes without the original box and papers.
