Seiko Cal. 3899 - 274

The 3899-274 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3899 caliber with 30j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-f3065d5b1549]

Also known as: Bellmatic, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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