Seiko Cal. 6311 - 833

The Seiko 6311-833 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-827b8f546e91]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1978

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