

The Seiko 5 Sports SRPK29 is a 38mm automatic dive-style watch that revives the look of Seiko's 1980s divers in a mid-size case just 12.1mm thick. It runs the Caliber 4R36 with automatic and manual winding, hacking seconds, a day-date display and a 41-hour power reserve. The black dial, LumiBrite hands and indices and unidirectional bezel make it a legible everyday watch, and its size suits smaller wrists and anyone who finds the 42mm SKX-style cases bulky. Against its rivals it trades some water-resistance depth and case size for a slimmer, more wearable profile and a proven movement.
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Owners rate the SRPK29 highly and often say it feels and sounds more expensive than its class. The size, legibility and lume draw the most praise; accuracy and the crystal are the usual gripes.
The Seiko 5 Sports SRPK29 is a mid-size automatic watch inspired by 1980s dive watch design and Seiko's SKX line. The stainless steel case is 38mm in diameter and 12.1mm thick.
Inside is the Caliber 4R36 automatic movement with 24 jewels. It winds automatically and can also be wound by hand. It has hacking seconds and a 41-hour power reserve, and it beats at 21,600 vibrations per hour. Seiko's factory spec is +45/-35 seconds per day.
The black dial has LumiBrite on the hands and indices for low-light visibility. A unidirectional rotating bezel tracks elapsed time, and a day-date display sits at 3 o'clock. The crown is at 4 o'clock between protective guards.














