Seiko Cal. 7183 - 640

The Seiko 7183-640 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-0776cc9f7c98]

Also known as: Rally, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1965

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