Seiko Cal. 6686 - 610

Released in 1968, the Cal. 6686 with design code 610 was part of Seiko's domestic market collection. Powered by the 6686 caliber with 33j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-32b098d9f2b4]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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