Seiko Cal. 3851 - 841

This Spring Drive model from 1996 features a 41mm PVD Black case. Powered by the 3851 caliber with 23j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-d2d3e644b7a1]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1996

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