Seiko Cal. 6311 - 207

The Seiko 6311-207 represents an important milestone in Seiko's 1977 lineup. Powered by the 6311 caliber with 28j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-6556fa59c919]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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