Seiko Cal. 3899 - 373

The 3899-373 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3899 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-e80ef6c7f659]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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