Seiko Cal. 3861 - 106

The Seiko 3861-106 represents an important milestone in Seiko's 1999 lineup. Powered by the 3861 caliber with 19j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-a63987ace600]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1999

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