Seiko Cal. 3812 - 728

The Seiko 3812-728 represents an important milestone in Seiko's 1999 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-db9e49289b9d]

Also known as: Sumo, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1999

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