Seiko Cal. 4516 - 721

The 4516-721 is a sought-after Solar piece from Seiko's golden era. Powered by the 4516 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-78288db07563]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1989

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