Seiko Cal. 4538 - 507

The 4538-507 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4538 caliber with 32j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-6fc63895e910]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1987

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