Seiko Cal. 4599 - 831

Released in 1978, the Cal. 4599 with design code 831 was part of Seiko's domestic market collection. Powered by the 4599 caliber with 19j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-a8cf7d8b3619]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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