SEIKO PROSPEX SPB103J1 SUMO DIVER AUTOMATIC MEN WATCH
SPB103J1
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This watch shape is affectionately named ‘Sumo’ by Seiko fans – because of its size and shape and the 12 o’clock marker – it’s a substantially strong looking timepiece. LumiBrite hour markers and hands increase legibility even in low light.
Seiko Prospex watches are designed for sports lovers and adventure seekers in the water, in the sky or on land. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.
Please note that, due to SEIKO regulations, we are unable to ship SEIKO products from Singapore to international destinations. We apologize for any inconvenience caused.
*In an actual product, the case back direction might be different from the photograph.
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Case Diameter: 45mm
Case Thickness: 12.9mm
Case Length: 52.6mm
Glass: Sapphire
Case Material: Stainless steel
Band Material: Stainless steel
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Lug width: 20
Caliber Number: 6R35
Movement: Automatic with manual winding
Accuracy: +25 to -15 seconds per day
Duration: Approx. 70 hours
24 Jewels
Stop seconds hand function
Date display
Unidirectional rotating bezel
Screw-down crown
Screw case back
Water Resistant: 20 BAR
Weight: 188g
