Seiko Cal. 6633 - 230

Seiko 6633-230

Released in 1993, the Cal. 6633 with design code 230 was part of Seiko's domestic market collection. Powered by the 6633 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-0d14fe6e30cd]

Also known as: Tuna, UFO

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1993

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