Seiko Cal. 6121 - 552

The Seiko 6121-552 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-96fa4bd83dfb]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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