Seiko Cal. 6654 - 257

Seiko 6654-257

The Seiko 6654-257 represents an important milestone in Seiko's 1966 lineup. Powered by the 6654 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a8b46b1f41ad]

Also known as: Rally, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
46mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Silver
Jewels
28j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1966

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