Seiko Cal. 6644 - 487

Seiko 6644-487

The 6644-487 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6644 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-4134914c2b7d]

Also known as: Arnie

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1973

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seikata-wm-4134914c2b7d