Seiko Cal. 6311 - 991

Seiko 6311-991

The 6311-991 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f8a71e59829c]

Also known as: Samurai, World Timer

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1979

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