Seiko Cal. 6371 - 981

Seiko 6371-981

The 6371-981 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6371 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-0788bb2d1cd1]

Also known as: Pogue, UFO

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1968

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