Seiko Cal. 6668 - 389

The 6668-389 is a sought-after Solar piece from Seiko's golden era. Powered by the 6668 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-7bb324836d1d]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1981

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