Seiko Cal. 6645 - 278

Seiko 6645-278

The 6645-278 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-99e79d00369d]

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
36j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1968

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