
Seiko
Seiko's day-date automatic caliber and the in-house branded version of the NH36 with stricter quality control and finishing. The additional day wheel over the 4R35 adds the day-of-week complication without changing the movement dimensions. Found extensively in the Seiko 5 Sports and Prospex lines, it offers Seiko's proven reliability with the convenience of day-date display at a mainstream price point.
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The community take
Owners widely praise the Seiko 5 Sports SNXS series for its attractive sunburst dials, vintage aesthetic, and excellent value, with many highlighting its comfortable wearability. Reviewers and owners consistently flag the stock bracelet as a significant weakness, often described as jangly, hair-pulling, and difficult to adjust, with a flimsy clasp. The Hardlex crystal is noted as being prone to scratching, and the caseback is described as thick, contributing to a bulky appearance. Accuracy with the movement is reported to be variable, ranging from +/- 1-2 seconds per day to +/- 20 seconds or more, and the movement itself lacks hacking and hand-winding. On balance, owners and reviewers rate the Seiko 5 Sports SNXS series highly for its stunning dials and value, despite significant criticisms of its bracelet and movement limitations.
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