Seiko Cal. 4538 - 163

Seiko 4538-163

The 4538-163 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4538 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-72a0bbaff292]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
43mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1990

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