Seiko Cal. 5633 - 679

Seiko 5633-679

The 5633-679 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5633 caliber with 18j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-b1d6a31cbf3f]

Also known as: Turtle, Goldfeather

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
18j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1978

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