Seiko Cal. 4593 - 257

The 4593-257 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4593 caliber with 18j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-1bd1fdc6753b]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1991

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