Seiko Cal. 6380 - 679

This Quartz model from 1971 features a 41mm Two-Tone case. Powered by the 6380 caliber with 36j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-43da4e5f5779]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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