Seiko Cal. 6681 - 750

Released in 1972, the Cal. 6681 with design code 750 was part of Seiko's domestic market collection. Powered by the 6681 caliber with 19j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-ee0af9cf0719]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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