Seiko Cal. 3810 - 381

The Seiko 3810-381 represents an important milestone in Seiko's 1981 lineup. Powered by the 3810 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-cea4ae8e7a96]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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