Seiko Cal. 3861 - 471

The 3861-471 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3861 caliber with 36j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-99b015f57c72]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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