Seiko Cal. 0721 - 821

The 0721-821 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-db03ccf0089c]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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