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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Sleep analysis data
Measuring range: -10 to 60℃ (14 to 140℉)
Case and bezel material : Bio-based Carbon / Bio-based resin
Measuring unit: 1 second
Total weight : 93g
Seiko Superior SSA187K1 Automatic 100m Gents Watch Black Ion Plated Case and Steel Bracelet SSA187K1 SSA187 Gold Sleep analysis dataBlack dial with luminous hour minute second hands and markers, gold accented minute hand. Fixed black ion plated stainless steel bezel Black ion platedstainless steel case Black ion plated stainless steel bracelet Fold over clasp with push button See thru case back Hardlex Crystal Water resistant 100m (10 bar) Date at 4 o'clock position Inner rotating countdown chapter ring Crown at 4 o'clock position Seiko 4R37 24 Jewels Automatic movement (hand wind
