Seiko Cal. 6393 - 871

Seiko 6393-871

The 6393-871 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6393 caliber with 19j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-3a2dc4f98bc0]

Also known as: Helmet, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
36mm
Case Thickness
10.7mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1981

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