Seiko Cal. 6311 - 422

The Seiko 6311-422 represents an important milestone in Seiko's 1986 lineup. Powered by the 6311 caliber with 27j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-8c5864d08546]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1986

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