Seiko Cal. 6618 - 811

Released in 1973, the Cal. 6618 with design code 811 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-998ef35dae43]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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