Seiko Cal. 3811 - 399

This Automatic model from 1966 features a 42mm Gold-Plated case. Powered by the 3811 caliber with 20j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-29aedbe2aa28]

Also known as: UFO, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1966

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