Seiko Cal. 3818 - 804

The Seiko 3818-804 represents an important milestone in Seiko's 1991 lineup. Powered by the 3818 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f312134adf6a]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1991

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