Seiko Cal. 6678 - 727

The Seiko 6678-727 represents an important milestone in Seiko's 1968 lineup. Powered by the 6678 caliber with 20j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-ce0a53544115]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1968

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