Seiko Cal. 6668 - 507

Seiko 6668-507

The 6668-507 is a sought-after Solar piece from Seiko's golden era. Powered by the 6668 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-7947bd4ef8a3]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
39mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1997

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