Prospex SPB377J1
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Description
Explore more of the Prospex collection or view more timepieces here. This watch is also included in our Seiko Alpinist and Seiko GMT Collection.
Movement
Caliber Number: 6r54
Movement Type: Automatic with manual winding
Precision: '+25 to -15 seconds per day
Power Reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions:
- 24-hour hand stop second hand function
Case/Band
Case Material: Stainless steel (super hard coating)
Thickness: 13.6 mm
Diameter: 39.5 mm
Lug-To-Lug: 46.4 mm
Crystal: Curved sapphire crystal
Crystal Coating: Anti-reflective coating on inner surface
Band Material: Cow steer
Clasp: Three-fold clasp with push button release
Distance Between Lugs: 20
Other Details
Magnetic Resistance: 4,800 a/m
Features:
- Screw-down crown see-through & screw case back lumibrite on hands and index(es)
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