Seiko Cal. 3840 - 289

The 3840-289 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3840 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-bed11fa56541]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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