Seiko Cal. 6644 - 198

Seiko 6644-198

The Seiko 6644-198 represents an important milestone in Seiko's 1975 lineup. Powered by the 6644 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-407408966f08]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1975

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seikata-wm-407408966f08