Seiko Cal. 3899 - 280

This Automatic model from 1970 features a 34mm Hardlex-Coated Steel case. Powered by the 3899 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-0e564ff53420]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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