Seiko Cal. 3813 - 918

The Seiko 3813-918 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-73a3a6d131ee]

Also known as: UFO, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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