Seiko Cal. 6311 - 658

The Seiko 6311-658 represents an important milestone in Seiko's 1966 lineup. With its 21mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-52ecb93f0dc2]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1966

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