Seiko Cal. 6669 - 507

The 6669-507 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6669 caliber with 25j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-31e8e66c4e8f]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

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