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1 Variant
Lume:LumiBrite on hands and index(es)
Retail MSRP
$3,000
Low
—
Avg
—
High
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Static data
Case
42.5mm
Power Reserve
45h
Movement
Automatic
Water Resistance
100m
01
Case Dimensions
Diameter42.5mm
Thickness15.1mm
Lug-to-Lug50mm
Lug Width20mm
02
Case Build
MaterialStainless Steel
Water Resistance100m
03
Crystal & Dial
CrystalSapphire
ShapeCurved
AR CoatingAnti-reflective coating on inner surface
LumeLumiBrite on hands and index(es)
04
Movement
Caliber
TypeAutomatic
Beat Rate—
Power Reserve45 hours
Jewels34
HackingNo
Hand-WindingNo
ComplicationsTime only
05
Design Language
Dial styleMatte
Sub-dials2
BezelTachymeter
Bracelet / strapLug-attached bracelet
HandsDauphine
AI-detected from product image · 5/22/2026
In a nutshell
The Seiko Prospex SPEEDTIMER (ref. srq037j1) is an automatic chronograph watch, with a 42.5mm stainless steel case, 15.1mm thick, powered by the 8R46 movement and a 45-hour power reserve. Water resistance is rated to 100m, under a sapphire crystal. Manufacturer MSRP is $3,000 and the secondary market averages around $2,503 (roughly 83% of MSRP).