Seiko Cal. 6681 - 363

This Spring Drive model from 1971 features a 34mm Two-Tone case. Powered by the 6681 caliber with 24j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-5f2025fd0a6e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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