Seiko Cal. 4515 - 620

The 4515-620 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4515 caliber with 33j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-ec99a97d03af]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1966

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