Seiko Cal. 6644 - 362

Seiko 6644-362

The Seiko 6644-362 represents an important milestone in Seiko's 1985 lineup. Powered by the 6644 caliber with 32j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-88458a6a0575]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1985

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seikata-wm-88458a6a0575