Seiko Cal. 3859 - 916

The 3859-916 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3859 caliber with 31j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-3577100d25ef]

Also known as: Helmet, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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