Seiko Cal. 6633 - 540

Seiko 6633-540

The 6633-540 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-085faa232393]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Green
Jewels
20j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1990

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seikata-wm-085faa232393