Seiko Cal. 6311 - 291

This Hand-Winding model from 1983 features a 35mm Titanium case. Powered by the 6311 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-538a50712b47]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1983

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