Seiko Cal. 3812 - 321

The Seiko 3812-321 represents an important milestone in Seiko's 1981 lineup. Powered by the 3812 caliber with 29j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-16b3b52ff4a2]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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