Seiko Prospex Automatic GMT Men's 39.50mm Watch HBC007J Watch Numeral_40.20 811 inches in diameter

811 inches in diameter

the Seiko 5 Sports SRPG27K is a men's automatic watch from the Field Series that runs entirely on movement — no battery required

creating a radiant finish that catches the light from every angle

finesse and a strong sense of precision

Seiko Prospex Automatic GMT Men's 39.50mm Watch HBC007J Watch Numeral_40.20 811 inches in diameterThe Seiko Prospex HBC007J brings a GMT function to the classic Alpinist design, letting you track two time zones at once handy for travel or keeping tabs on time back home. It's powered by the automatic Calibre 6R54, which winds naturally as you wear it and also supports manual winding, with a generous 72 hour power reserve if you take it off for the weekend. The 39. 5mm stainless steel case is comfortable for most wrist sizes and finished with a