Seiko Cal. 6650 - 638

Seiko 6650-638

This Quartz model from 1968 features a 45mm PVD Black case. With its 18mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-7e1d81056ef2]

Also known as: Tuna, Arnie

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
45mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1968

Related Models

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