Seiko Cal. 6618 - 711

Released in 1973, the Cal. 6618 with design code 711 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-bf815caea034]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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