Seiko Cal. 4570 - 274

The 4570-274 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4570 caliber with 24j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-3414c13451e7]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1965

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