Seiko Cal. 6633 - 511

Seiko 6633-511

The 6633-511 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-5c80c5969a81]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1974

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