Gave this one to my 83 y. o. mother, but it's too difficult for her to wind, so I took it back and gave her a Helbros with larger crown which she likes just as well.. So, wearing Juvenia HW from 1950:
Service dial and service hands = not much wrist action. Do love the look and style of this Seamaster 200.
That's a pretty awesome pic 'dog. Missus duc has a keen eye and said so. She took this one so I could jump on the bandwagon: