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SRPK31

Seiko

SRPK31

Also sold as SRPK31K1International

In production All SRPK references →
Caliber
4R36
Case diameter
38mm
Water resistance
100 m
Power reserve
41h

Best price USD 328.00 eBay · 20 offers · checked 14 hours ago

Seiko SRPK31: caliber 4R36, 38 mm case, 100 m water resistance. 20 offers from USD 328.00.

Where to buy Last seen when we checked; prices change

20 offers from USD 328.00

Source Total
eBay from HK · 14 hours ago arrives in 13–23 days New · USD 289.00 · USD 39.00 Best price USD 328.00 View offer
eBay from US · 14 hours ago arrives in 3–9 days New · USD 339.00 · Free USD 339.00 View offer
eBay from US · 14 hours ago arrives in 3–7 days New · USD 349.99 · Free USD 349.99 View offer
eBay from JP · 14 hours ago arrives in 16–21 days New · USD 315.00 · USD 56.25 USD 371.25 View offer
eBay from AE · 14 hours ago arrives in 30–42 days New · USD 382.80 · Free USD 382.80 View offer
eBay from JP · 14 hours ago New · USD 271.00 · USD 115.00 USD 386.00 View offer
eBay from HK · 14 hours ago arrives in 16–40 days New · USD 378.00 · USD 8.00 USD 386.00 View offer
eBay from SG · 14 hours ago arrives in 8–14 days New · USD 307.00 · USD 99.90 USD 406.90 View offer
eBay from KR · 2 weeks ago New · USD 411.23 · Free USD 411.23 View offer
eBay from JP · 2 weeks ago New · USD 414.03 · Free USD 414.03 View offer

Total shown does not include import duties or taxes — the marketplace did not report them for these listings. Cross-border orders may be charged on delivery.

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Specifications

Specifications from Seiko, Creation Watches, last seen 2026-09-21.

Movement

Caliber
4R36 All 4R36 watches →
Movement
Automatic
Power reserve
41h
Jewels
24

Case & crystal

Case material
Stainless steel
Case diameter
38mm
Case thickness
12.1mm
Lug to lug
44.2mm
Lug width
20mm
Crystal
Hardlex crystal

Resistance

Water resistance
100 m
Magnetic resistance
4,800 A/m

Catalogue

Family
SRPK
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Variants Same watch, different market or bracelet

Reference Edition Region Band Clasp Weight
SRPK31K1 K1 International Stainless steel Three-fold clasp with push button release 140g

More Seiko SRPK references

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