Seiko Cal. 3844 - 678

Released in 1980, the Cal. 3844 with design code 678 was part of Seiko's domestic market collection. Powered by the 3844 caliber with 28j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-d2bbf6a82fe7]

Also known as: Rally, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1980

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