Seiko Cal. 6686 - 173

The Seiko 6686-173 represents an important milestone in Seiko's 1972 lineup. Powered by the 6686 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-dd894fb67914]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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