Seiko Cal. 4570 - 161

The 4570-161 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4570 caliber with 35j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-099db02eb873]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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