Seiko Cal. 3831 - 784

Seiko 3831-784

The 3831-784 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-4b2fbce7b2c0]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Burgundy
Jewels
18j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1966

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