Seiko Cal. 6653 - 340

Seiko 6653-340

The Seiko 6653-340 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-b3bbc72a2954]

Also known as: Tuna, Crown

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1965

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