Seiko Cal. 6648 - 661

Seiko 6648-661

This Quartz model from 1972 features a 39mm PVD Black case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-5d2d52ac7511]

Also known as: Sumo, UFO

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1972

Related Models

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