Seiko Cal. 3863 - 351

Seiko 3863-351

The 3863-351 is a sought-after Solar piece from Seiko's golden era. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f79d519e4208]

Also known as: Sumo, Silverwave

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1970

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