Seiko Cal. 6311 - 692

Seiko 6311-692

The Seiko 6311-692 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-40b6cecde43a]

Also known as: Helmet, Bellmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
40mm
Case Thickness
13.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1970

Related Models

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