Seiko Cal. 3863 - 318

The Seiko 3863-318 represents an important milestone in Seiko's 1989 lineup. Powered by the 3863 caliber with 30j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-ef8065b567d5]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1989

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