Seiko Cal. 6639 - 947

Seiko 6639-947

The 6639-947 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-628828c46150]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1972

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seikata-wm-628828c46150