Seiko Cal. 6311 - 413

The 6311-413 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6311 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-341d577e74e1]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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