Seiko Cal. 4591 - 830

The 4591-830 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-7696cc2e3699]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1971

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