Watch Comparison

Seiko Prospex Sky SRPB61K1 Stainless Steel / Black vs Seiko Mechanical Alpinist Stainless Steel / Green / Strap

Side-by-side specifications for Seiko Prospex Sky SRPB61K1 Stainless Steel / Black and Seiko Mechanical Alpinist Stainless Steel / Green / Strap.

Showing specs with available data (91% coverage).

Seiko

Seiko Prospex Sky SRPB61K1 Stainless Steel / Black Ref. SRPB61K1

Seiko

Seiko Mechanical Alpinist Stainless Steel / Green / Strap Ref. SARB017

Case

Diameter

SRPB61K144.7 mm

SARB01739.5 mm

Thickness

SRPB61K1—

SARB01712 mm

Material

SRPB61K1Stainless Steel

SARB017Stainless Steel

Water Resist.

SRPB61K1100 m

SARB017200 m

Crystal

SRPB61K1Hardlex

SARB017Sapphire

Bezel

SRPB61K1Rotating Unidirectional Dive

SARB017—

Dial Color

SRPB61K1Black

SARB017Green

Bracelet

Lug Width

SRPB61K122 mm

SARB01720 mm

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Movement

Caliber

SRPB61K1Seiko 4R35

SARB017Seiko 6R15

Manufacturer

SRPB61K1Seiko

SARB017Seiko

Type

SRPB61K1Automatic

SARB017Automatic

Power Reserve

SRPB61K141 hrs

SARB01750 hrs

Frequency

SRPB61K121,600 bph

SARB01721,600 bph

Jewels

SRPB61K123

SARB01723

Complications

SRPB61K1hours, minutes, seconds, date

SARB017hours, minutes, seconds, date

Pricing & Production

Production

SRPB61K1—

SARB0172018 – present

Collection

SRPB61K1Prospex Sky

SARB017Mechanical

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