Seiko Cal. 7163 - 390

Seiko 7163-390

The 7163-390 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7163 caliber with 34j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-3bd8732c98a3]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1994

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