Seiko Cal. 3840 - 410

The 3840-410 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3840 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-1c004c53146e]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

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