Seiko Cal. 6630 - 745

Seiko 6630-745

The 6630-745 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-23eede46e81d]

Also known as: Navigator

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1966

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