Seiko Cal. 3818 - 921

The Seiko 3818-921 represents an important milestone in Seiko's 1998 lineup. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-0b8bf5fb5c27]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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