Seiko 5 Sports SRPD76K1 vs Seiko 5 SNKK71K1

The SRPD76K1 is the more capable watch: a 4R36 movement you can hand-wind and hack, day-date, 100 m water resistance and a 42.5 mm case. The SNKK71K1 is the smaller, lighter-feeling option at 38 mm on a steel bracelet, but its 7S26 cannot be hand-wound and its 30 m rating is splash-only. Buy the SRPD76K1 if you want one watch for daily wear and swimming; buy the SNKK71K1 if you have a smaller wrist and want a slim, dressy automatic.

• Choose the Seiko 5 SRPD76K1 if you want a hand-windable, hacking movement, 100 m water resistance and a larger sporty case.
• Choose the Seiko 5 SNKK71K1 if you have a smaller wrist and prefer a slim 38 mm case on a steel bracelet for office wear.