Seiko King Seiko ChronometervsTissot Gentleman
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

King Seiko Chronometer

Gentleman
Diameter
36mm
40mm
Thickness
n/a
11.5mm
Water Resistance
n/a
100m
Power Reserve
n/a
80h
MSRP
n/a
$950
Movement
5626A
Tissot Powermatic 80
Case
6 specsCrystal & Dial
7 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Seiko King Seiko Chronometer 5626-7170 owners praise its rare grey and "Superior Chronometer" dials for their depth and sunburst finishing, which are best appreciated in person. The 36mm case is noted to wear slightly larger due to its lugs. The 5626 movement is recognized as a higher-grade chronometer-adjusted caliber than the 5606, keeping accurate time. A known issue with the 5626 movement is the quick-set date function's susceptibility to failure due to a plastic part, with no replacement part developments reported. On balance, owners value the Seiko King Seiko Chronometer 5626-7170 for its distinctive dial finishing and chronometer-grade movement, despite the potential date function issue.
Owners and reviewers widely praise the Tissot Gentleman for its exceptional value, versatile design, and impressive finishing that appears a tier above its price point. The Powermatic 80 movement is consistently highlighted for its 80-hour power reserve and reliability, with some models featuring a silicon balance spring. Owners appreciate its comfortable wearability, with specific mentions of the 40mm size being ideal for most wrists and the 38mm variant being a "Goldilocks" size. The dial's sunburst and pyramidal finishes are noted for how they interact with light, and its build quality is often compared favorably to more expensive alternatives. Some owners desire a smaller 36-38mm size, and one reviewer found the "Powermatic 80 Silicium" text on the dial perplexing. Overall, owners rate the Tissot Gentleman highly for its refined aesthetics and robust movement at an attractive price.
The Powermatic 80 movement with its 80-hour power reserve is a shared strength. Reviewers also agree on its value at the price point. No shared weaknesses were identified.
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