Seiko Cal. 6635 - 443

Seiko 6635-443

The 6635-443 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-1f3d97a35fa0]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Cream
Jewels
17j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1998

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