Seiko Cal. 3867 - 610

Released in 1978, the Cal. 3867 with design code 610 was part of Seiko's domestic market collection. Powered by the 3867 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-dfd093e4f8b0]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1978

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