Diver & Sports Watches

How to Choose Between the Entry-Level Divers

At the entry level you are really choosing between two platforms, both powered by Seiko-made automatic movements:

• Invicta Pro Diver (NH35): the classic tool-diver layout — unidirectional bezel, screw-down crown, 200m, mineral crystal, 40mm in the 8926 models and up to 47mm in the statement-sized 35726. Finishing is basic, the specification is the complete dive-watch set. The Pro Diver model guide explains which reference is which.
• Seiko 5 Sports (4R36): a sport watch rather than a diver — bi-directional bezel, non-screw-down crown, 100m, day/date and a case around 42–43mm. Better finishing and lume, a wider range of dial and strap styles, and Seiko's service network. The Seiko 5 Sports guide covers the SRPD series.

Decide by use, not by the depth number

• You swim, snorkel or just want a robust everyday watch: either platform works; the Seiko wears a little better on the wrist and the nylon-strap version is the lightest option.
• You dive, or want the proper tool-watch specification: an Invicta Pro Diver with its screw-down crown and 200m rating.
• You have a smaller wrist: the 40mm Pro Diver 8926 references; avoid the 47mm 35726.
• You want a bracelet with a secure clasp: the Pro Diver 29178 adds a deployant clasp; the 8926 models use a simpler fold-over clasp.

What an entry-level dive watch gives up

Compared with a Swiss or Japanese mid-range diver you trade sapphire for mineral crystal, tighter movement regulation for the stock NH35 tolerance of roughly -20/+40 seconds per day, and refined brushing for a serviceable finish. None of these affect the watch's ability to do its job in the water; they are what you pay for when you move up a tier. For the design history and the ISO 6425 standard behind "real" dive watches, read our dive watch guide.