Seiko Cal. 6685 - 578

Released in 1987, the Cal. 6685 with design code 578 was part of Seiko's domestic market collection. Powered by the 6685 caliber with 28j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-dce733bb85a6]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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