Seiko Cal. 3841 - 613

The Seiko 3841-613 represents an important milestone in Seiko's 1992 lineup. Powered by the 3841 caliber with 17j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-66c40701f1b1]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1992

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