Seiko Cal. 6618 - 523

The 6618-523 is a sought-after Kinetic piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-938590d8d395]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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