Seiko Cal. 6311 - 470

The Seiko 6311-470 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-e39646b7ca4f]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1987

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