Seiko Cal. 3857 - 647

Seiko 3857-647

Released in 1990, the Cal. 3857 with design code 647 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7a042502eacc]

Also known as: Goldfeather

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
8.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1990

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