Seiko Cal. 3820 - 954

The 3820-954 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3820 caliber with 36j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-92368a842821]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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