Seiko Cal. 6168 - 521

Seiko 6168-521

The 6168-521 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6168 caliber with 31j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-69599a9cfef4]

Also known as: Tuna, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1989

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