Seiko Cal. 3840 - 104

The 3840-104 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3840 caliber with 17j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-dbf38fd2f7a8]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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