Seiko Cal. 5648 - 516

The Seiko 5648-516 represents an important milestone in Seiko's 1973 lineup. Powered by the 5648 caliber with 22j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-d90694f20453]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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