Seiko Cal. 4415 - 851

The Seiko 4415-851 represents an important milestone in Seiko's 1981 lineup. Powered by the 4415 caliber with 21j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-438f4cf14ff4]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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