Seiko Cal. 4538 - 288

The 4538-288 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4538 caliber with 24j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-f428e341ca25]

Also known as: Sumo, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1991

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