Seiko Cal. 6660 - 816

Released in 1965, the Cal. 6660 with design code 816 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-07bc7bcc33f9]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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