Seiko Cal. 3864 - 257

Seiko 3864-257

The 3864-257 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-b72f8b454c4e]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
39mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
23j
Frequency
36,000 bph
Power Reserve
61 hours
Year
1971

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