Seiko Cal. 3815 - 470

The 3815-470 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3815 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ba4279b5ab4e]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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