Seiko Cal. 3851 - 391

Seiko 3851-391

The 3851-391 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-1e7c36168b6f]

Also known as: Tuna, Panda

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1968

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