Seiko Cal. 3864 - 378

Seiko 3864-378

The 3864-378 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-2c5eb4b39d59]

Also known as: Samurai

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
Burgundy
Jewels
17j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1983

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