Seiko Cal. 6311 - 540

The Seiko 6311-540 represents an important milestone in Seiko's 1997 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-24c41eb8a0df]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1997

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