Seiko Cal. 4590 - 756

Released in 1968, the Cal. 4590 with design code 756 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-a1d59d222abd]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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