Seiko Cal. 7163 - 991

Seiko 7163-991

This Hand-Winding model from 1971 features a 46mm Two-Tone case. Powered by the 7163 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-7dbb94c1163b]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1971

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seikata-wm-7dbb94c1163b