Seiko Cal. 6639 - 323

Seiko 6639-323

The 6639-323 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-33800b058a8f]

Also known as: Arnie

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
White
Jewels
26j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1991

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