Seiko Cal. 3863 - 284

Seiko 3863-284

The 3863-284 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-030081f50e85]

Also known as: Tuna, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Silver
Jewels
27j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1983

Related Models

seikata-wm-030081f50e85