Seiko Cal. 6683 - 688

Released in 1979, the Cal. 6683 with design code 688 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ae73044dc5a9]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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