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Watch Comparison

Seiko Prospex Diver SPB051J1 Stainless Steel / Black vs Seiko Cocktail Time Ishigaki Shinobu Stainless Steel / Ice Blue / Strap / Cool

Side-by-side specifications for Seiko Prospex Diver SPB051J1 Stainless Steel / Black and Seiko Cocktail Time Ishigaki Shinobu Stainless Steel / Ice Blue / Strap / Cool.

Showing specs with available data (91% 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 Cocktail Time Ishigaki Shinobu Stainless Steel / Ice Blue / Strap / Cool Ref. SARB065

Case

Diameter
SPB051J142.6 mm
SARB06540 mm
Thickness
SPB051J1—
SARB06513.1 mm
Material
SPB051J1Stainless Steel
SARB065Stainless Steel
Water Resist.
SPB051J1200 m
SARB06550 m
Crystal
SPB051J1Sapphire
SARB065Hardlex
Bezel
SPB051J1Rotating Unidirectional Dive
SARB065—
Dial Color
SPB051J1Black
SARB065Blue

Bracelet

Lug Width
SPB051J120 mm
SARB06520 mm

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Movement

Caliber
SPB051J1Seiko 6R15
SARB065Seiko 6R15
Manufacturer
SPB051J1Seiko
SARB065Seiko
Type
SPB051J1Automatic
SARB065Automatic
Power Reserve
SPB051J150 hrs
SARB06550 hrs
Frequency
SPB051J121,600 bph
SARB06521,600 bph
Jewels
SPB051J123
SARB06523
Complications
SPB051J1hours, minutes, seconds, date
SARB065hours, minutes, seconds, date

Pricing & Production

Production
SPB051J1—
SARB0652016 – present
Collection
SPB051J1Prospex Divers
SARB065Mechanical
New comparison

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