Seiko Cal. 6685 - 578

Released in 1975, the Cal. 6685 with design code 578 was part of Seiko's domestic market collection. Powered by the 6685 caliber with 35j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4c292fb23a23]

Also known as: Bellmatic, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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