Seiko Cal. 3870 - 943

The 3870-943 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3870 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c8ee7dfc012c]

Also known as: UFO, Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1994

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