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Seiko 5 Sports SRPG27K1 Montre de terrain automatique | Cadran Noir | 4R36-07G0 | 39,4 mm

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SKU: SRPG27
Specifications techniques
Identification
Numero de boitier
4R36-07G0
Numero de modele
SRPG27 / SRPG27K1
Marque
Seiko
Nom du modele
5 Sports Field
Collection / ligne
Seiko 5 Sports
Annee introduction
2021
Genre / public cible
Men's / Unisex
Mouvement
Nom / numero calibre
Cal. 4R36
Type de mouvement
Automatic (self-winding + hand-wind)
Categorie mouvement
Mechanical automatic
Calibre manufacture
Yes — Seiko SII in-house
Frequence battement (a/h)
21,600 bph
Frequence (Hz)
3 Hz
Nombre de rubis
24 jewels
Nombre de composants
Approx. 170
Methode de remontage
Automatic bidirectional rotor + hand-winding via crown
Reserve de marche
Approx. 41 hours
Source energie
Mainspring (coiled steel spring)
Materiau du rotor
Stainless steel rotor (Seiko branded)
Type de rotor
Bidirectional Magic Lever system
Diametre mouvement (mm)
Approx. 27.4 mm
Epaisseur mouvement (mm)
Approx. 5.3 mm
Precision journaliere garantie
−35/+45 sec/day (rated) — typical real-world ±15 sec/day
Certification de precision
Seiko internal standard
Type echappement
Lever escapement (Swiss-style)
Type de balancier
Standard alloy balance wheel
Boitier et verre
Epaisseur boitier (mm)
11.3 mm
Forme du boitier
Round
Materiau du boitier
Stainless steel 316L
Finition du boitier
Brushed flanks + polished lugs (mixed)
Type de fond
Exhibition / display (screw-in, mineral window)
Materiau du fond
Stainless steel + mineral exhibition window
Type de couronne
Push-pull (unsigned, plain)
Protection couronne
Recessed crown guard at 4 o'clock (part of case design)
Couronne vissee
No — push-pull crown
Type de verre
Hardlex (Seiko proprietary hardened mineral glass)
Traitement antireflet
No — Hardlex has no AR coating
Forme du verre
Flat
Durete (Mohs)
~7 (Hardlex hardened mineral)
Cadran et aiguilles
Couleur du cadran
Black (matte)
Materiau du cadran
Lacquered metal
Finition du cadran
Matte flat
Type index horaires
Arabic numeral hour markers (military-style, luminous)
Materiau des index
Stainless steel (with LumiBrite inserts)
Style aiguille des heures
Arrow / sword baton
Style aiguille des minutes
Baton (with LumiBrite)
Style de la trotteuse
Baton (3 ticks/sec)
Materiau des aiguilles
Stainless steel (with LumiBrite)
Type de luminescence
LumiBrite (Seiko proprietary)
Qualite de la luminescence
Standard LumiBrite
Lume sur les aiguilles
Yes (hour + minute hands)
Lume sur les index
Yes (all 12 applied indices)
Lume sur la lunette
No
Fenetre de date presente
Yes — Day + Date at 3 o'clock
Position fenetre de date
3 o'clock (double aperture: day + date)
Affichage jour-date
Yes — Day of week + Date (double window at 3)
Lunette et bracelet
Type de lunette
Fixed smooth bezel
Materiau de la lunette
Stainless steel
Couleur de la lunette
Silver (polished stainless)
Materiau insert lunette
No insert — integral polished steel
Graduation de la lunette
No scale (smooth)
Crantages par tour
N/A — fixed
Securite unidirectionnelle
N/A — fixed bezel
Type de bracelet (original)
Stainless steel 3-link bracelet
Materiau du bracelet
Stainless steel 316L
Finition du bracelet
Brushed and polished (mixed)
Largeur de fixation (mm)
20 mm
Type de fermoir
Three-fold deployant butterfly clasp with push-buttons
Micro-reglage
5-position link adjustment only
Fonctions et complications
Complications au cadran
Day + Date
Squelette / coeur ouvert
Yes — open exhibition caseback visible
Correction rapide date
Yes — crown position 1 (quick date set)
Etancheite et protection
Resistance a eau
100 m / 10 ATM / 10 bar
Resistance magnetique
Not specified (standard alloy movement — sensitive)
Antimagnetique ISO 764
Yes
Resistance chocs ISO 1413
Yes
Systeme amortissement chocs
Seiko Diashock (proprietary spring-clip shock jewel system)
Plage de temperature
0°C to 50°C (recommended)
Resistance a la corrosion
Good (316L stainless steel)
Resistance eau salee
Yes (100m rating)
Hermetiquement ferme
Yes (100m water resist.)
Garantie et divers
Garantie constructeur (ans)
2 years
Intervalle revision recommande
5–7 years
Prix conseille (PVC)
USD 315 / EUR 275
Edition limitee
No (regular production line)
Volume de production
Mass production (large volume; widely available)
Categorie / type de montre
Dress-sport automatic (sports inspired)
Style
Casual sporty / field watch
Inspiration design / heritage
Military field watch tradition; smaller 39.4mm case for slimmer wrists; Arabic numeral dial
Patrimoine / statut iconique
SRPG27 — field watch configuration in 5 Sports lineup; Arabic numerals vs. baton indices; 39.4mm suits smaller wrists

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