Seiko Cal. 6311 - 435

Released in 1976, the Cal. 6311 with design code 435 was part of Seiko's domestic market collection. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-b0cfc7cf17c4]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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