Seiko Cal. 0787 - 763

Seiko 0787-763

This Hand-Winding model from 1977 features a 45mm Stainless Steel case. Powered by the 0787 caliber with 20j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-57edeb8b4e34]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1977

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