Seiko Cal. 6635 - 933

Seiko 6635-933

The 6635-933 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-47b69eedfae6]

Also known as: Arnie

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.6mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
White
Jewels
31j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1997

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