Seiko Cal. 6681 - 813

This Quartz model from 1970 features a 40mm PVD Black case. Powered by the 6681 caliber with 26j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5c82cbdc79e9]

Also known as: Panda, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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