Seiko Cal. 5634 - 857

Seiko 5634-857

The Seiko 5634-857 represents an important milestone in Seiko's 1996 lineup. Powered by the 5634 caliber with 18j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-1c06fc4de80b]

Also known as: Monster, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Cream
Jewels
18j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1996

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