Watch Comparison
Seiko Prospex Diver SPB051J1 Stainless Steel / Black vs Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet
Side-by-side specifications for Seiko Prospex Diver SPB051J1 Stainless Steel / Black and Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet.
Showing specs with available data (88% coverage).
Shared movement lineage
Both watches use movements derived from the Seiko 6R15 caliber family.
Seiko
Seiko Prospex Diver SPB051J1 Stainless Steel / Black
Ref. SPB051J1
Seiko
Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet
Ref. SARB035
Case
Diameter42.6 mm38.4 mm
Thickness—11.2 mm
MaterialStainless SteelStainless Steel
Water Resist.200 m100 m
CrystalSapphireSapphire
BezelRotating Unidirectional Dive—
Dial ColorBlackSilver
Bracelet
Lug Width20 mm—
Movement
CaliberSeiko 6R15Seiko 6R15
ManufacturerSeikoSeiko
TypeAutomaticAutomatic
Power Reserve50 hrs50 hrs
Frequency21,600 bph21,600 bph
Jewels2323
Complicationshours, minutes, seconds, datehours, minutes, seconds, date
Pricing & Production
Production—2018 – present
CollectionProspex DiversMechanical
Seiko
Seiko Prospex Diver SPB051J1 Stainless Steel / Black Ref. SPB051J1
Seiko
Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet Ref. SARB035
Case
Diameter
SPB051J142.6 mm
SARB03538.4 mm
Thickness
SPB051J1—
SARB03511.2 mm
Material
SPB051J1Stainless Steel
SARB035Stainless Steel
Water Resist.
SPB051J1200 m
SARB035100 m
Crystal
SPB051J1Sapphire
SARB035Sapphire
Bezel
SPB051J1Rotating Unidirectional Dive
SARB035—
Dial Color
SPB051J1Black
SARB035Silver
Bracelet
Lug Width
SPB051J120 mm
SARB035—
Movement
Caliber
SPB051J1Seiko 6R15
SARB035Seiko 6R15
Manufacturer
SPB051J1Seiko
SARB035Seiko
Type
SPB051J1Automatic
SARB035Automatic
Power Reserve
SPB051J150 hrs
SARB03550 hrs
Frequency
SPB051J121,600 bph
SARB03521,600 bph
Jewels
SPB051J123
SARB03523
Complications
SPB051J1hours, minutes, seconds, date
SARB035hours, minutes, seconds, date
Pricing & Production
Production
SPB051J1—
SARB0352018 – present
Collection
SPB051J1Prospex Divers
SARB035Mechanical
