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Seiko · 5 Sports
Seiko 5 Sports SRPD55
SRPD55K1
The reference point for a first mechanical watch: a hacking, hand-winding automatic in a 100 m sports case, built on the bones of the discontinued SKX.
Street price
$195
MSRP $295
85
Selection Score
85 out of 100
Provisional
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At a Glance
- Self-winding mechanical movement with 41 hours of power reserve
- Date display
- Unidirectional rotating dive bezel
- 100 m water resistance
- Hardlex mineral crystal
- Luminous hands and markers
Specifications
- Brand
- Seiko
- Collection
- 5 Sports
- Movement
- Seiko 4R36, caliber 4R36, 41 hours of power reserve, rated -35 to +45 seconds per day (seiko specification)
- Case
- Stainless steel, 42.5 mm diameter, 13.4 mm thick, 46 mm lug-to-lug
- Crystal
- Hardlex mineral
- Bracelet / strap
- Three-link bracelet with folded end links, Stamped folding clasp with push-button release, 22 mm lug width
- Water resistance
- 100 m (328 ft)
- Dial colours
- Black
- Style
- Sport, Everyday, Diver
- Recommended wrist
- Medium, Large
- Country of origin
- Japan
What we like
- Hacking and hand-winding at a price where neither used to be standard
- 100 m water resistance with a screw-down crown
- 22 mm lug width and an enormous aftermarket for straps and parts
- Dozens of dial and bezel variants across the same case
Full specifications
- Brand
- Seiko
- Model
- 5 Sports SRPD55
- Reference
- SRPD55K1
- Collection
- 5 Sports
- Street price
- $195
- MSRP
- $295
- Movement type
- Automatic
- Movement
- Seiko 4R36
- Caliber
- 4R36
- Power reserve
- 41 hours
- Stated accuracy
- -35 to +45 seconds per day (Seiko specification)
- Balance spring
- Not published
- Case diameter
- 42.5 mm
- Case thickness
- 13.4 mm
- Lug-to-lug
- 46 mm
- Lug width
- 22 mm
- Weight
- 148 g
- Case material
- Stainless steel
- Crystal
- Hardlex mineral
- Water resistance
- 100 m (328 ft)
- Dial colours
- Black
- Bracelet / strap
- Three-link bracelet with folded end links
- Bracelet material
- Stainless steel
- Clasp
- Stamped folding clasp with push-button release
- Date
- Yes
- GMT
- No
- Chronograph
- No
- Style
- Sport · Everyday · Diver
- Recommended wrist
- Medium · Large
- Country of origin
- Japan
- Released
- 2019
- Selection Score
- 85 / 100
Score Breakdown
RatingWeightPoints
- 25%24.0
Value
- 20%16.0
Movement
- 15%12.3
Build Quality
- 15%12.8
Design
- 10%7.8
Wearability
- 10%7.5
Features
- 5%4.5
Brand & Ownership
Selection Score85
Seven pillars, each rated 0–10 and weighted as shown. The total is the sum of the weighted ratings — the headline number can never disagree with its own breakdown.
Ratings are demo data pending editorial review.
Where to Buy
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Amazon
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Seiko US
$295 · Price checked August 1, 2026
Watch Brands: Seiko
Seiko makes its own movements, its own hairsprings and its own luminous compound, and it does so across a range that runs from a $150 automatic to Grand Seiko. No other brand covers that span in-house.
