Seiko Cal. 3878 - 350

Seiko 3878-350

The 3878-350 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-a00386e1799e]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1969

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seikata-wm-a00386e1799e