Thought some of you here might be interested in this. It's a Seiko Air Diver's 5M43-0C30- not that interesting in itself. The watch came as part of Shimano's (bicycle componenet manufacturer) limited edition 25th anniversary dura ace groupset and is numbered sequentially along with the gruppo.The watch and gruppo are NOS and stashed for a rainy day.





And for context this is the entire groupset