Seiko Cal. 4525 - 422

The 4525-422 is a sought-after Solar piece from Seiko's golden era. Powered by the 4525 caliber with 18j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-8348494d9f21]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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