Seiko Cal. 6691 - 187

Seiko 6691-187

The 6691-187 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0c2cbfeca6d3]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
28j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1995

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