Seiko Cal. 5636 - 193

Seiko 5636-193

The Seiko 5636-193 represents an important milestone in Seiko's 1987 lineup. Powered by the 5636 caliber with 23j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-9a45b6b7ae23]

Also known as: Sumo, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1987

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