Seiko Cal. 4415 - 307

The 4415-307 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4415 caliber with 26j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-2da985fd0a56]

Also known as: Rally, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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