Seiko Cal. 4415 - 511

The 4415-511 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4415 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-1135df4b314c]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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