Seiko Cal. 6271 - 390

Seiko 6271-390

The 6271-390 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6271 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c4f041105a31]

Also known as: Monster, Helmet

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Silver
Jewels
21j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1982

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seikata-wm-c4f041105a31