Seiko Cal. 7052 - 523

The 7052-523 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7052 caliber with 28j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-a1db4bed0b94]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

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