Seiko Cal. 6630 - 375

Seiko 6630-375

The 6630-375 is a sought-after Solar piece from Seiko's golden era. Powered by the 6630 caliber with 20j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-90a6938b8112]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
20j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1996

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