Seiko Cal. 6315 - 668

Seiko 6315-668

The 6315-668 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6315 caliber with 24j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-fc525569af9d]

Also known as: Bullhead, UFO

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
200m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1989

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