Seiko Cal. 3870 - 201

The 3870-201 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3870 caliber with 29j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-2f551d01114c]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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