Seiko Cal. 6366 - 727

Seiko 6366-727

The 6366-727 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a872d5373dbe]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1965

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