Seiko Cal. 3891 - 382

The 3891-382 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3891 caliber with 31j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-c06b55efafac]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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