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Watch Comparison

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

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

Showing specs with available data (94% coverage).

Shared movement lineage

Both watches use movements derived from the Seiko 6R15 caliber family.

Seiko

Seiko Cocktail Time Ishigaki Shinobu Stainless Steel / Ice Blue / Strap / Cool Ref. SARB065

Seiko

Seiko Prospex Diver Trans Ocean Stainless Steel / Black / Bracelet Ref. SBDC039

Case

Diameter
SARB06540 mm
SBDC03945 mm
Thickness
SARB06513.1 mm
SBDC03913.8 mm
Material
SARB065Stainless Steel
SBDC039Stainless Steel
Water Resist.
SARB06550 m
SBDC039200 m
Crystal
SARB065Hardlex
SBDC039Sapphire
Bezel
SARB065—
SBDC039Rotating Unidirectional Dive
Dial Color
SARB065Blue
SBDC039Black

Bracelet

Lug Width
SARB06520 mm
SBDC039—

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Movement

Caliber
SARB065Seiko 6R15
SBDC039Seiko 6R15
Manufacturer
SARB065Seiko
SBDC039Seiko
Type
SARB065Automatic
SBDC039Automatic
Power Reserve
SARB06550 hrs
SBDC03950 hrs
Frequency
SARB06521,600 bph
SBDC03921,600 bph
Jewels
SARB06523
SBDC03923
Complications
SARB065hours, minutes, seconds, date
SBDC039hours, minutes, seconds, date

Pricing & Production

Production
SARB0652016 – present
SBDC0392023 – present
Collection
SARB065Mechanical
SBDC039Prospex Divers
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