Your first automatic watch

Everything a first mechanical watch should be. A sapphire crystal that will still look new when you are on your third watch, a 200m case you can swim in without thinking, and an in-house caliber that hacks and hand-winds.

It is a diver, which is the most forgiving style to start with — it goes to work, to the gym and into the sea, which is exactly what you want while you work out what you actually like.

On paper this is the best value in the category and it is not close: sapphire and a hacking, hand-windable in-house caliber at a price where Seiko still fits Hardlex. Orient's three-year warranty is longer than Hamilton's or Tissot's.

The 4R36 is the safest possible first mechanical movement: enormous production volume, universally serviced, and a $176 published overhaul price that removes the main anxiety of first-time mechanical ownership.

It reads 45mm and wears smaller because the cushion case has no protruding lugs. Hardlex rather than sapphire is the compromise.

Seiko rates this at 200m as a diver's watch, not merely water-resistant — screw-down crown, screw case back, unidirectional bezel. The 45mm figure is misleading: the cushion case has no protruding lugs.

4R36, 100m, 41 hours, hacking and hand-winding, and the same $176 published service price. There is a reason this is recommended more than anything else in the category.

42.5mm across, 46mm lug-to-lug, 13.4mm thick and 170 grams on the bracelet. Check the size before you buy — it is the most common regret with this watch, and it is not a specification problem.

The 4R36 is the most commonly serviced mechanical caliber in the United States and Seiko publishes a flat $176 price to overhaul it. That single fact does more for a twenty-year horizon than any spec on the case.

Same movement and service path as the SRPD55, in a 39.4mm field case on leather that reads far less sporty.

48.1mm lug-to-lug is longer across the wrist than the 42.5mm SRPD55's 46mm. If you are choosing this because the diameter sounded smaller, measure first — it is the clearest illustration on this site of why that number misleads.

The 39.4mm case reads small, but the 48.1mm lug-to-lug does not — this wears longer than its diameter suggests. Measure your wrist before you buy on the diameter alone.

The smallest genuinely good mechanical dress watch here, with a named in-house caliber and the longest warranty in the tier.

30m water resistance is the catch, and it matters more for a first watch than for a fifth: a first watch tends to be worn every day, and a 30m watch worn every day meets a shower eventually.

A 44mm lug-to-lug is genuinely small by modern standards, and this is the Bambino to buy if the 40.5mm versions never sat right. The domed mineral crystal is the compromise, and it is the one Orient never fixes on this line.