Seiko Cal. 3863 - 309

Released in 1990, the Cal. 3863 with design code 309 was part of Seiko's domestic market collection. Powered by the 3863 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-81d150f6b48e]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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