Seiko Cal. 6633 - 143

Seiko 6633-143

The 6633-143 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6633 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-55b5063075a5]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
130m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1969

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seikata-wm-55b5063075a5