Seiko Cal. 6143 - 680

The Seiko 6143-680 represents an important milestone in Seiko's 1968 lineup. Powered by the 6143 caliber with 20j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-77ce53e46d90]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1968

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