Seiko Cal. 6644 - 407

Seiko 6644-407

The 6644-407 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d8b741f38787]

Also known as: Samurai

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Cream
Jewels
25j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1969

Related Models

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