Seiko Cal. 3840 - 782

The 3840-782 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3840 caliber with 35j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-de6f36e1fd68]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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