Seiko Cal. 3886 - 931

The Seiko 3886-931 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-cd8641333630]

Also known as: Monster, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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