Seiko Cal. 6652 - 520

The 6652-520 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6652 caliber with 23j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-515ac3ef606e]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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