Seiko Cal. 6699 - 641

Seiko 6699-641

The 6699-641 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6aa1f5e98e80]

Also known as: Helmet, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1965

Related Models

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