Seiko Cal. 6644 - 755

Seiko 6644-755

The 6644-755 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6bfecb557c4d]

Also known as: Panda, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1993

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