Seiko Cal. 6680 - 617

Released in 1983, the Cal. 6680 with design code 617 was part of Seiko's domestic market collection. Powered by the 6680 caliber with 33j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-49bdb6233ad4]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1983

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