Seiko Cal. 3840 - 843

Released in 1975, the Cal. 3840 with design code 843 was part of Seiko's domestic market collection. Powered by the 3840 caliber with 26j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-30a842d70782]

Also known as: Shogun, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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