Seiko Cal. 4531 - 538

The 4531-538 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4531 caliber with 27j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-957366c83736]

Also known as: Pogue, Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1979

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