Seiko Cal. 3812 - 670

Released in 1991, the Cal. 3812 with design code 670 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-59a7a3860d1c]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1991

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