Watch Comparison

Seiko Prospex Sky SRPB57K1 Stainless Steel / Black vs Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet

Side-by-side specifications for Seiko Prospex Sky SRPB57K1 Stainless Steel / Black and Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet.

Showing specs with available data (91% coverage).

Seiko

Seiko Prospex Sky SRPB57K1 Stainless Steel / Black Ref. SRPB57K1

Seiko

Seiko Mechanical Stainless Stainless Steel / Silver / Bracelet Ref. SARB035

Case

Diameter

SRPB57K144.7 mm

SARB03538.4 mm

Thickness

SRPB57K1—

SARB03511.2 mm

Material

SRPB57K1Stainless Steel

SARB035Stainless Steel

Water Resist.

SRPB57K1100 m

SARB035100 m

Crystal

SRPB57K1Hardlex

SARB035Sapphire

Bezel

SRPB57K1Rotating Unidirectional Dive

SARB035—

Dial Color

SRPB57K1Black

SARB035Silver

Bracelet

Lug Width

SRPB57K122 mm

SARB035—

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Movement

Caliber

SRPB57K1Seiko 4R35

SARB035Seiko 6R15

Manufacturer

SRPB57K1Seiko

SARB035Seiko

Type

SRPB57K1Automatic

SARB035Automatic

Power Reserve

SRPB57K141 hrs

SARB03550 hrs

Frequency

SRPB57K121,600 bph

SARB03521,600 bph

Jewels

SRPB57K123

SARB03523

Complications

SRPB57K1hours, minutes, seconds, date

SARB035hours, minutes, seconds, date

Pricing & Production

Production

SRPB57K12018 – present

SARB0352018 – present

Collection

SRPB57K1Prospex Sky

SARB035Mechanical

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