Seiko Cal. 6628 - 973

Seiko 6628-973

The 6628-973 is a sought-after Solar piece from Seiko's golden era. Powered by the 6628 caliber with 30j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-2463fdaa0d7e]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
34mm
Case Thickness
10.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1969

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