Seiko Cal. 7023 - 640

Released in 1986, the Cal. 7023 with design code 640 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-f1e6686db957]

Also known as: Shogun, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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