Seiko Cal. 6311 - 220

The Seiko 6311-220 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-62a49d3079d4]

Also known as: Panda, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1966

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