Seiko Cal. 6644 - 687

Seiko 6644-687

The 6644-687 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-d6e3a076cd5d]

Also known as: Samurai, Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1982

Related Models

seikata-wm-d6e3a076cd5d