Seiko Cal. 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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