Seiko Cal. 3820 - 860

The 3820-860 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3820 caliber with 22j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-427680ec7cf2]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1968

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