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Seiko 5 Sports SRPG27K1 Field Watch Automatic | Black Dial | 4R36-07G0 | 39.4mm


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SKU: SRPG27
Technische specificaties
Identificatie
Kastnummer
4R36-07G0
Modelnummer
SRPG27 / SRPG27K1
Merk
Seiko
Modelnaam
5 Sports Field
Collectie / lijn
Seiko 5 Sports
Jaar van introductie
2021
Geslacht / doelgroep
Men's / Unisex
Uurwerk
Kaliber naam / nummer
Cal. 4R36
Uurwerktype
Automatic (self-winding + hand-wind)
Uurwerkcategorie
Mechanical automatic
Eigen kaliber (in-house)
Yes — Seiko SII in-house
Slagfrequentie (s/u)
21,600 bph
Frequentie (Hz)
3 Hz
Aantal stenen
24 jewels
Aantal onderdelen
Approx. 170
Opwindmethode
Automatic bidirectional rotor + hand-winding via crown
Gangreserve
Approx. 41 hours
Energiebron
Mainspring (coiled steel spring)
Rotormateriaal
Stainless steel rotor (Seiko branded)
Rotortype
Bidirectional Magic Lever system
Uurwerkdiameter (mm)
Approx. 27.4 mm
Uurwerkdikte (mm)
Approx. 5.3 mm
Gegarandeerde daggang
−35/+45 sec/day (rated) — typical real-world ±15 sec/day
Nauwkeurigheidscertificering
Seiko internal standard
Type echappement
Lever escapement (Swiss-style)
Type onrust
Standard alloy balance wheel
Kast en kristal
Kastdikte (mm)
11.3 mm
Kastvorm
Round
Kastmateriaal
Stainless steel 316L
Kastafwerking
Brushed flanks + polished lugs (mixed)
Type bodemklep
Exhibition / display (screw-in, mineral window)
Bodemklepmateriaal
Stainless steel + mineral exhibition window
Type kroon
Push-pull (unsigned, plain)
Kroonbescherming
Recessed crown guard at 4 o'clock (part of case design)
Schroefkroon
No — push-pull crown
Glas type
Hardlex (Seiko proprietary hardened mineral glass)
Anti-reflectiecoating
No — Hardlex has no AR coating
Glasvorm
Flat
Hardheid (Mohs)
~7 (Hardlex hardened mineral)
Wijzerplaat en wijzers
Wijzerplaatkleur
Black (matte)
Wijzerplaatmateriaal
Lacquered metal
Wijzerplaatafwerking
Matte flat
Type uurindexen
Arabic numeral hour markers (military-style, luminous)
Indexmateriaal
Stainless steel (with LumiBrite inserts)
Stijl uurwijzer
Arrow / sword baton
Stijl minutenwijzer
Baton (with LumiBrite)
Stijl secondenwijzer
Baton (3 ticks/sec)
Materiaal wijzers
Stainless steel (with LumiBrite)
Type luminescentie
LumiBrite (Seiko proprietary)
Lume kwaliteit
Standard LumiBrite
Lume op wijzers
Yes (hour + minute hands)
Lume op indexen
Yes (all 12 applied indices)
Lume op lunette
No
Datumvenster aanwezig
Yes — Day + Date at 3 o'clock
Positie datumvenster
3 o'clock (double aperture: day + date)
Dag-datum weergave
Yes — Day of week + Date (double window at 3)
Lunette en band
Type lunette
Fixed smooth bezel
Lunettenmateriaal
Stainless steel
Lunettekleur
Silver (polished stainless)
Inzetmateriaal lunette
No insert — integral polished steel
Lunetteschaal
No scale (smooth)
Klikposities per omwenteling
N/A — fixed
Unidirectionele veiligheid
N/A — fixed bezel
Type armband (origineel)
Stainless steel 3-link bracelet
Armband / bandmateriaal
Stainless steel 316L
Armband / bandafwerking
Brushed and polished (mixed)
Bandaansluitbreedte (mm)
20 mm
Type sluiting
Three-fold deployant butterfly clasp with push-buttons
Micro-instelling
5-position link adjustment only
Functies en complicaties
Complicaties op wijzerplaat
Day + Date
Skelet / open hart
Yes — open exhibition caseback visible
Snel datum instellen
Yes — crown position 1 (quick date set)
Waterbestendigheid en bescherming
Waterbestendigheid
100 m / 10 ATM / 10 bar
Magnetische weerstand
Not specified (standard alloy movement — sensitive)
ISO 764 antimagnetisch
Yes
ISO 1413 schokbestendig
Yes
Schokabsorptiesysteem
Seiko Diashock (proprietary spring-clip shock jewel system)
Werktemperatuurbereik
0°C to 50°C (recommended)
Corrosiebestendigheid
Good (316L stainless steel)
Zoutwaterbestendigheid
Yes (100m rating)
Hermetisch afgesloten
Yes (100m water resist.)
Garantie en overig
Fabrieksgarantie (jaar)
2 years
Aanbevolen service-interval
5–7 years
Aanbevolen verkoopprijs
USD 315 / EUR 275
Gelimiteerde editie
No (regular production line)
Productievolume
Mass production (large volume; widely available)
Horlogecategorie / type
Dress-sport automatic (sports inspired)
Stijl
Casual sporty / field watch
Ontwerpisnpiratie / erfgoed
Military field watch tradition; smaller 39.4mm case for slimmer wrists; Arabic numeral dial
Erfgoed / iconische status
SRPG27 — field watch configuration in 5 Sports lineup; Arabic numerals vs. baton indices; 39.4mm suits smaller wrists

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