Seiko Cal. 6211 - 731

The Seiko 6211-731 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-2ad888bf3cf0]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1973

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