Seiko Cal. 6311 - 555

The Seiko 6311-555 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-2c7d09b3c99b]

Also known as: Sumo, Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1966

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