Seiko Cal. 4594 - 505

The Seiko 4594-505 represents an important milestone in Seiko's 1970 lineup. Powered by the 4594 caliber with 20j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-efe68a8dada3]

Also known as: Sumo, Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1970

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