LoupeLabWatch Comparison
Seiko Mechanical Alpinist Stainless Steel / Green / Strap vs Seiko 5 Sports Sports Style Stainless Steel / Black / NATO
Side-by-side specifications for Seiko Mechanical Alpinist Stainless Steel / Green / Strap and Seiko 5 Sports Sports Style Stainless Steel / Black / NATO.
Showing specs with available data (94% coverage).
Seiko
Seiko Mechanical Alpinist Stainless Steel / Green / Strap
Ref. SARB017
Seiko
Seiko 5 Sports Sports Style Stainless Steel / Black / NATO
Ref. SRPD55K3
Case
Diameter39.5 mm42.5 mm
Thickness12 mm13.4 mm
MaterialStainless SteelStainless Steel
Water Resist.200 m100 m
CrystalSapphireHardlex
Bezel—Rotating Unidirectional Dive
Dial ColorGreenBlack
Bracelet
Lug Width20 mm20 mm
Movement
CaliberSeiko 6R15Seiko 4R36
ManufacturerSeikoSeiko
TypeAutomaticAutomatic
Power Reserve50 hrs41 hrs
Frequency21,600 bph21,600 bph
Jewels2324
Complicationshours, minutes, seconds, datehours, minutes, seconds, date, day
Pricing & Production
Production2018 – present—
CollectionMechanical5 Sports
Seiko
Seiko Mechanical Alpinist Stainless Steel / Green / Strap Ref. SARB017
Seiko
Seiko 5 Sports Sports Style Stainless Steel / Black / NATO Ref. SRPD55K3
Case
Diameter
SARB01739.5 mm
SRPD55K342.5 mm
Thickness
SARB01712 mm
SRPD55K313.4 mm
Material
SARB017Stainless Steel
SRPD55K3Stainless Steel
Water Resist.
SARB017200 m
SRPD55K3100 m
Crystal
SARB017Sapphire
SRPD55K3Hardlex
Bezel
SARB017—
SRPD55K3Rotating Unidirectional Dive
Dial Color
SARB017Green
SRPD55K3Black
Bracelet
Lug Width
SARB01720 mm
SRPD55K320 mm
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Movement
Caliber
SARB017Seiko 6R15
SRPD55K3Seiko 4R36
Manufacturer
SARB017Seiko
SRPD55K3Seiko
Type
SARB017Automatic
SRPD55K3Automatic
Power Reserve
SARB01750 hrs
SRPD55K341 hrs
Frequency
SARB01721,600 bph
SRPD55K321,600 bph
Jewels
SARB01723
SRPD55K324
Complications
SARB017hours, minutes, seconds, date
SRPD55K3hours, minutes, seconds, date, day
Pricing & Production
Production
SARB0172018 – present
SRPD55K3—
Collection
SARB017Mechanical
SRPD55K35 Sports
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