Seiko Cal. 6644 - 872

Seiko 6644-872

The 6644-872 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-37dc3a4ad157]

Also known as: Monster, Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
36mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1966

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seikata-wm-37dc3a4ad157