Seiko Cal. 3841 - 678

The Seiko 3841-678 represents an important milestone in Seiko's 1980 lineup. Powered by the 3841 caliber with 26j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-a50065af0875]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

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