Seiko Cal. 6633 - 556

Seiko 6633-556

The 6633-556 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-221bf6a63e62]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1967

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