Seiko Cal. 3812 - 665

Released in 1978, the Cal. 3812 with design code 665 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-52476cf1e3f6]

Also known as: Shogun, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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