Seiko Cal. 3841 - 904

The Seiko 3841-904 represents an important milestone in Seiko's 1992 lineup. Powered by the 3841 caliber with 18j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-13425dc2d951]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1992

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