Seiko Cal. 3861 - 246

Released in 1987, the Cal. 3861 with design code 246 was part of Seiko's domestic market collection. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-285bc4df5c7c]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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