Seiko Cal. 6633 - 663

Seiko 6633-663

The 6633-663 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-50684c3ae54a]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
10.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1994

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